光电材料-上海康满林

名称及描述		价格/规格	快速订购
KL-2374753-587 N4,N4-二([1,1'-联苯]-2-基)-N4'-([1,1'-联苯]-4-基)-N4'-(9-(异喹啉-8-基)-9H-咔唑-3-基)-[1,1'-联苯]-4,4'-二胺 N4,N4-di([1,1'-biphenyl]-2-yl)-N4'-([1,1'-biphenyl]-4-yl)-N4'-(9-(isoquinolin-8-yl)-9H-carbazol-3-yl)-[1,1'-biphenyl]-4,4'-diamine	2374753-58-7 C₆₉H₄₈N₄ 933.17	需询价	价格库存

KL-0134033-628 N4,N4'-二([1,1'-联苯]-4-基)-N4-(3-甲氧基苯基)-N4'-(间甲苯基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4-(3-methoxyphenyl)-N4'-(m-tolyl)-[1,1'-biphenyl]-4,4'-diamine	134033-62-8 C₅₀H₄₀N₂O 684.88	需询价	价格库存

KL-2419153-118 N4,N4'-二([1,1'-联苯]-3-基)-N4,N4'-双(7-苯基萘-2-基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-3-yl)-N4,N4'-bis(7-phenylnaphthalen-2-yl)-[1,1'-biphenyl]-4,4'-diamine	2419153-11-8 C₆₈H₄₈N₂ 893.15	需询价	价格库存

KL-2722640-017 N4,N4'-二([1,1'-联苯]-2-基)-N4-([1,1'-联苯]-4-基)-N4'-(5-(萘-2-基)-[1,1'-联苯]-2-基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-2-yl)-N4-([1,1'-biphenyl]-4-yl)-N4'-(5-(naphthalen-2-yl)-[1,1'-biphenyl]-2-yl)-[1,1'-biphenyl]-4,4'-diamine	2722640-01-7 C₇₀H₅₀N₂ 919.18	需询价	价格库存

KL-2271424-985 N4,N4-二([1,1'-联苯]-4-基)-N4'-(4-氟苯基)-N4'-苯基-[1,1'-联苯]-4,4'-二胺 N4,N4-di([1,1'-biphenyl]-4-yl)-N4'-(4-fluorophenyl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine	2271424-98-5 C₄₈H₃₅FN₂ 658.82	需询价	价格库存

KL-2768824-708 N4-(二苯并[b,d]噻吩-2-基)-N4'-(2,3-二氢-1H-茚-4-基)-N4,N4'-双(萘并[2,1-b]苯并呋喃-10-基)-[1,1'-联苯]-4,4'-二胺 N4-(dibenzo[b,d]thiophen-2-yl)-N4'-(2,3-dihydro-1H-inden-4-yl)-N4,N4'-bis(naphtho[2,1-b]benzofuran-10-yl)-[1,1'-biphenyl]-4,4'-diamine	2768824-70-8 C₆₅H₄₂N₂O₂S 915.12	需询价	价格库存

KL-2768823-501 N4-(二苯并[b,d]呋喃-2-基)-N4'-(2,3-二氢-1H-茚-4-基)-N4,N4'-双(萘并[2,1-b]苯并呋喃-10-基)-[1,1'-联苯]-4,4'-二胺 N4-(dibenzo[b,d]furan-2-yl)-N4'-(2,3-dihydro-1H-inden-4-yl)-N4,N4'-bis(naphtho[2,1-b]benzofuran-10-yl)-[1,1'-biphenyl]-4,4'-diamine	2768823-50-1 C₆₅H₄₂N₂O₃ 899.06	需询价	价格库存

KL-2755840-801 N4,N4'-双(苯并[b]萘并[2,1-d]噻吩-9-基)-N4,N4'-二苯基-[1,1'-联苯]-4,4'-二胺 N4,N4'-bis(benzo[b]naphtho[2,1-d]thiophen-9-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine	2755840-80-1 C₅₆H₃₆N₂S₂ 801.04	需询价	价格库存

KL-1905462-818 N4,N4-双(9,9-二甲基-9H-芴-2-基)-N4'-(萘-1-基)-N4'-(萘-2-基)-[1,1'-联苯]-4,4'-二胺 N4,N4-bis(9,9-dimethyl-9H-fluoren-2-yl)-N4'-(naphthalen-1-yl)-N4'-(naphthalen-2-yl)-[1,1'-biphenyl]-4,4'-diamine	1905462-81-8 C₆₂H₄₈N₂ 821.08	需询价	价格库存

KL-2755839-020 N4,N4'-双(4-氟苯基)-N4,N4'-双(萘并[2,3-b]苯并呋喃-3-基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-bis(4-fluorophenyl)-N4,N4'-bis(naphtho[2,3-b]benzofuran-3-yl)-[1,1'-biphenyl]-4,4'-diamine	2755839-02-0 C₅₆H₃₄F₂N₂O₂ 804.9	需询价	价格库存

KL-2755839-644 N4,N4'-双(萘并[2,3-b]苯并呋喃-8-基)-N4,N4'-二苯基-[1,1'-联苯]-4,4'-二胺 N4,N4'-bis(naphtho[2,3-b]benzofuran-8-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine	2755839-64-4 C₅₆H₃₆N₂O₂ 768.92	需询价	价格库存

KL-2459340-124 N4,N4'-双(萘并[2,3-b]苯并呋喃-3-基)-N4,N4'-二苯基-[1,1'-联苯]-4,4'-二胺 N4,N4'-bis(naphtho[2,3-b]benzofuran-3-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine	2459340-12-4 C₅₆H₃₆N₂O₂ 768.92	需询价	价格库存

KL-0934546-937 N4,N4'-双(9-([1,1'-联苯]-4-基)-9H-咔唑-3-基)-N4,N4'-双-对甲苯基-[1,1'-联苯]-4,4'-二胺 N4,N4'-bis(9-([1,1'-biphenyl]-4-yl)-9H-carbazol-3-yl)-N4,N4'-di-p-tolyl-[1,1'-biphenyl]-4,4'-diamine	934546-93-7 C₇₄H₅₄N₄ 999.27	需询价	价格库存

KL-0934547-054 N4,N4'-双(9-([1,1'-联苯]-3-基)-9H-咔唑-3-基)-N4,N4'-二苯基-[1,1'-联苯]-4,4'-二胺 N4,N4'-bis(9-([1,1'-biphenyl]-3-yl)-9H-carbazol-3-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine	934547-05-4 C₇₂H₅₀N₄ 971.22	需询价	价格库存

KL-2260794-667 N4-(4-(7bH-茚[1,2,3-jk]芴-7b-基)苯基)-N4',N4'-双(9,9-二甲基-9H-芴-2-基)-N4-苯基-[1,1'-联苯]-4,4'-二胺 N4-(4-(7bH-indeno[1,2,3-jk]fluoren-7b-yl)phenyl)-N4',N4'-bis(9,9-dimethyl-9H-fluoren-2-yl)-N4-phenyl-[1,1'-biphenyl]-4,4'-diamine	2260794-66-7 C₇₃H₅₄N₂ 959.25	需询价	价格库存

KL-2364597-408 N4-苯基-N4',N4'-双(9,9,10,10-四甲基-9,10-二氢蒽-2-基)-N4-(三苯基en-2-基)-[1,1'-联苯]-4,4'-二胺 N4-phenyl-N4',N4'-bis(9,9,10,10-tetramethyl-9,10-dihydroanthracen-2-yl)-N4-(triphenylen-2-yl)-[1,1'-biphenyl]-4,4'-diamine	2364597-40-8 C₇₂H₆₂N₂ 955.3	需询价	价格库存

KL-0669072-553 N4,N4'-双(9,10-二氢-9,10-[1,2]benzeno蒽-2-基)-N4,N4'-二苯基-[1,1'-联苯]-4,4'-二胺 N4,N4'-bis(9,10-dihydro-9,10-[1,2]benzenoanthracen-2-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine	669072-55-3 C₆₄H₄₄N₂ 841.07	需询价	价格库存

KL-1206734-442 N4,N4'-双(9,9-二甲基-9H-芴-2-基)-N4,N4'-双(4-(2-(1-甲基环丁氧基)乙基)苯基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-bis(9,9-dimethyl-9H-fluoren-2-yl)-N4,N4'-bis(4-(2-(1-methylcyclobutoxy)ethyl)phenyl)-[1,1'-biphenyl]-4,4'-diamine	1206734-44-2 C₆₈H₆₈N₂O₂ 945.3	需询价	价格库存

KL-0216454-625 N4,N4-双(9,9-二甲基-9H-芴-2-基)-N4',N4'-二(萘-1-基)-[1,1'-联苯]-4,4'-二胺 N4,N4-bis(9,9-dimethyl-9H-fluoren-2-yl)-N4',N4'-di(naphthalen-1-yl)-[1,1'-biphenyl]-4,4'-diamine	216454-62-5 C₆₂H₄₈N₂ 821.08	需询价	价格库存

KL-1951510-341 N4,N4-二(双环[4.2.0]辛-1,3,5-三烯-3-基)-N4'-(4-丁基苯基)-N4'-(4-(3-(4-乙烯基苯基)金刚烷-1-基)苯基)-[1,1'-联苯]-4,4'-二胺 N4,N4-di(bicyclo[4.2.0]octa-1,3,5-trien-3-yl)-N4'-(4-butylphenyl)-N4'-(4-(3-(4-vinylphenyl)adamantan-1-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine	1951510-34-1 C₆₂H₆₀N₂ 833.18	需询价	价格库存

N4,N4-di([1,1'-biphenyl]-2-yl)-N4'-([1,1'-biphenyl]-4-yl)-N4'-(9-(isoquinolin-8-yl)-9H-carbazol-3-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2374753-587

N4,N4-二([1,1'-联苯]-2-基)-N4'-([1,1'-联苯]-4-基)-N4'-(9-(异喹啉-8-基)-9H-咔唑-3-基)-[1,1'-联苯]-4,4'-二胺

N4,N4-di([1,1'-biphenyl]-2-yl)-N4'-([1,1'-biphenyl]-4-yl)-N4'-(9-(isoquinolin-8-yl)-9H-carbazol-3-yl)-[1,1'-biphenyl]-4,4'-diamine

2374753-58-7 C₆₉H₄₈N₄ 933.17

需询价

价格库存

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4-(3-methoxyphenyl)-N4'-(m-tolyl)-[1,1'-biphenyl]-4,4'-diamine

KL-0134033-628

N4,N4'-二([1,1'-联苯]-4-基)-N4-(3-甲氧基苯基)-N4'-(间甲苯基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4-(3-methoxyphenyl)-N4'-(m-tolyl)-[1,1'-biphenyl]-4,4'-diamine

134033-62-8 C₅₀H₄₀N₂O 684.88

需询价

价格库存

N4,N4'-di([1,1'-biphenyl]-3-yl)-N4,N4'-bis(7-phenylnaphthalen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2419153-118

N4,N4'-二([1,1'-联苯]-3-基)-N4,N4'-双(7-苯基萘-2-基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-3-yl)-N4,N4'-bis(7-phenylnaphthalen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

2419153-11-8 C₆₈H₄₈N₂ 893.15

需询价

价格库存

N4,N4'-di([1,1'-biphenyl]-2-yl)-N4-([1,1'-biphenyl]-4-yl)-N4'-(5-(naphthalen-2-yl)-[1,1'-biphenyl]-2-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2722640-017

N4,N4'-二([1,1'-联苯]-2-基)-N4-([1,1'-联苯]-4-基)-N4'-(5-(萘-2-基)-[1,1'-联苯]-2-基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-2-yl)-N4-([1,1'-biphenyl]-4-yl)-N4'-(5-(naphthalen-2-yl)-[1,1'-biphenyl]-2-yl)-[1,1'-biphenyl]-4,4'-diamine

2722640-01-7 C₇₀H₅₀N₂ 919.18

需询价

价格库存

N4,N4-di([1,1'-biphenyl]-4-yl)-N4'-(4-fluorophenyl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine

KL-2271424-985

N4,N4-二([1,1'-联苯]-4-基)-N4'-(4-氟苯基)-N4'-苯基-[1,1'-联苯]-4,4'-二胺

N4,N4-di([1,1'-biphenyl]-4-yl)-N4'-(4-fluorophenyl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine

2271424-98-5 C₄₈H₃₅FN₂ 658.82

需询价

价格库存

N4-(dibenzo[b,d]thiophen-2-yl)-N4'-(2,3-dihydro-1H-inden-4-yl)-N4,N4'-bis(naphtho[2,1-b]benzofuran-10-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2768824-708

N4-(二苯并[b,d]噻吩-2-基)-N4'-(2,3-二氢-1H-茚-4-基)-N4,N4'-双(萘并[2,1-b]苯并呋喃-10-基)-[1,1'-联苯]-4,4'-二胺

N4-(dibenzo[b,d]thiophen-2-yl)-N4'-(2,3-dihydro-1H-inden-4-yl)-N4,N4'-bis(naphtho[2,1-b]benzofuran-10-yl)-[1,1'-biphenyl]-4,4'-diamine

2768824-70-8 C₆₅H₄₂N₂O₂S 915.12

需询价

价格库存

N4-(dibenzo[b,d]furan-2-yl)-N4'-(2,3-dihydro-1H-inden-4-yl)-N4,N4'-bis(naphtho[2,1-b]benzofuran-10-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2768823-501

N4-(二苯并[b,d]呋喃-2-基)-N4'-(2,3-二氢-1H-茚-4-基)-N4,N4'-双(萘并[2,1-b]苯并呋喃-10-基)-[1,1'-联苯]-4,4'-二胺

N4-(dibenzo[b,d]furan-2-yl)-N4'-(2,3-dihydro-1H-inden-4-yl)-N4,N4'-bis(naphtho[2,1-b]benzofuran-10-yl)-[1,1'-biphenyl]-4,4'-diamine

2768823-50-1 C₆₅H₄₂N₂O₃ 899.06

需询价

价格库存

N4,N4'-bis(benzo[b]naphtho[2,1-d]thiophen-9-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

KL-2755840-801

N4,N4'-双(苯并[b]萘并[2,1-d]噻吩-9-基)-N4,N4'-二苯基-[1,1'-联苯]-4,4'-二胺

N4,N4'-bis(benzo[b]naphtho[2,1-d]thiophen-9-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

2755840-80-1 C₅₆H₃₆N₂S₂ 801.04

需询价

价格库存

N4,N4-bis(9,9-dimethyl-9H-fluoren-2-yl)-N4'-(naphthalen-1-yl)-N4'-(naphthalen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-1905462-818

N4,N4-双(9,9-二甲基-9H-芴-2-基)-N4'-(萘-1-基)-N4'-(萘-2-基)-[1,1'-联苯]-4,4'-二胺

N4,N4-bis(9,9-dimethyl-9H-fluoren-2-yl)-N4'-(naphthalen-1-yl)-N4'-(naphthalen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

1905462-81-8 C₆₂H₄₈N₂ 821.08

需询价

价格库存

N4,N4'-bis(4-fluorophenyl)-N4,N4'-bis(naphtho[2,3-b]benzofuran-3-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2755839-020

N4,N4'-双(4-氟苯基)-N4,N4'-双(萘并[2,3-b]苯并呋喃-3-基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-bis(4-fluorophenyl)-N4,N4'-bis(naphtho[2,3-b]benzofuran-3-yl)-[1,1'-biphenyl]-4,4'-diamine

2755839-02-0 C₅₆H₃₄F₂N₂O₂ 804.9

需询价

价格库存

N4,N4'-bis(naphtho[2,3-b]benzofuran-8-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

KL-2755839-644

N4,N4'-双(萘并[2,3-b]苯并呋喃-8-基)-N4,N4'-二苯基-[1,1'-联苯]-4,4'-二胺

N4,N4'-bis(naphtho[2,3-b]benzofuran-8-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

2755839-64-4 C₅₆H₃₆N₂O₂ 768.92

需询价

价格库存

N4,N4'-bis(naphtho[2,3-b]benzofuran-3-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

KL-2459340-124

N4,N4'-双(萘并[2,3-b]苯并呋喃-3-基)-N4,N4'-二苯基-[1,1'-联苯]-4,4'-二胺

N4,N4'-bis(naphtho[2,3-b]benzofuran-3-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

2459340-12-4 C₅₆H₃₆N₂O₂ 768.92

需询价

价格库存

N4,N4'-bis(9-([1,1'-biphenyl]-4-yl)-9H-carbazol-3-yl)-N4,N4'-di-p-tolyl-[1,1'-biphenyl]-4,4'-diamine

KL-0934546-937

N4,N4'-双(9-([1,1'-联苯]-4-基)-9H-咔唑-3-基)-N4,N4'-双-对甲苯基-[1,1'-联苯]-4,4'-二胺

N4,N4'-bis(9-([1,1'-biphenyl]-4-yl)-9H-carbazol-3-yl)-N4,N4'-di-p-tolyl-[1,1'-biphenyl]-4,4'-diamine

934546-93-7 C₇₄H₅₄N₄ 999.27

需询价

价格库存

N4,N4'-bis(9-([1,1'-biphenyl]-3-yl)-9H-carbazol-3-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

KL-0934547-054

N4,N4'-双(9-([1,1'-联苯]-3-基)-9H-咔唑-3-基)-N4,N4'-二苯基-[1,1'-联苯]-4,4'-二胺

N4,N4'-bis(9-([1,1'-biphenyl]-3-yl)-9H-carbazol-3-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

934547-05-4 C₇₂H₅₀N₄ 971.22

需询价

价格库存

N4-(4-(7bH-indeno[1,2,3-jk]fluoren-7b-yl)phenyl)-N4',N4'-bis(9,9-dimethyl-9H-fluoren-2-yl)-N4-phenyl-[1,1'-biphenyl]-4,4'-diamine

KL-2260794-667

N4-(4-(7bH-茚[1,2,3-jk]芴-7b-基)苯基)-N4',N4'-双(9,9-二甲基-9H-芴-2-基)-N4-苯基-[1,1'-联苯]-4,4'-二胺

N4-(4-(7bH-indeno[1,2,3-jk]fluoren-7b-yl)phenyl)-N4',N4'-bis(9,9-dimethyl-9H-fluoren-2-yl)-N4-phenyl-[1,1'-biphenyl]-4,4'-diamine

2260794-66-7 C₇₃H₅₄N₂ 959.25

需询价

价格库存

N4-phenyl-N4',N4'-bis(9,9,10,10-tetramethyl-9,10-dihydroanthracen-2-yl)-N4-(triphenylen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2364597-408

N4-苯基-N4',N4'-双(9,9,10,10-四甲基-9,10-二氢蒽-2-基)-N4-(三苯基en-2-基)-[1,1'-联苯]-4,4'-二胺

N4-phenyl-N4',N4'-bis(9,9,10,10-tetramethyl-9,10-dihydroanthracen-2-yl)-N4-(triphenylen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

2364597-40-8 C₇₂H₆₂N₂ 955.3

需询价

价格库存

N4,N4'-bis(9,10-dihydro-9,10-[1,2]benzenoanthracen-2-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

KL-0669072-553

N4,N4'-双(9,10-二氢-9,10-[1,2]benzeno蒽-2-基)-N4,N4'-二苯基-[1,1'-联苯]-4,4'-二胺

N4,N4'-bis(9,10-dihydro-9,10-[1,2]benzenoanthracen-2-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

669072-55-3 C₆₄H₄₄N₂ 841.07

需询价

价格库存

N4,N4'-bis(9,9-dimethyl-9H-fluoren-2-yl)-N4,N4'-bis(4-(2-(1-methylcyclobutoxy)ethyl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

KL-1206734-442

N4,N4'-双(9,9-二甲基-9H-芴-2-基)-N4,N4'-双(4-(2-(1-甲基环丁氧基)乙基)苯基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-bis(9,9-dimethyl-9H-fluoren-2-yl)-N4,N4'-bis(4-(2-(1-methylcyclobutoxy)ethyl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

1206734-44-2 C₆₈H₆₈N₂O₂ 945.3

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N4,N4-bis(9,9-dimethyl-9H-fluoren-2-yl)-N4',N4'-di(naphthalen-1-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-0216454-625

N4,N4-双(9,9-二甲基-9H-芴-2-基)-N4',N4'-二(萘-1-基)-[1,1'-联苯]-4,4'-二胺

N4,N4-bis(9,9-dimethyl-9H-fluoren-2-yl)-N4',N4'-di(naphthalen-1-yl)-[1,1'-biphenyl]-4,4'-diamine

216454-62-5 C₆₂H₄₈N₂ 821.08

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N4,N4-di(bicyclo[4.2.0]octa-1,3,5-trien-3-yl)-N4'-(4-butylphenyl)-N4'-(4-(3-(4-vinylphenyl)adamantan-1-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

KL-1951510-341

N4,N4-二(双环[4.2.0]辛-1,3,5-三烯-3-基)-N4'-(4-丁基苯基)-N4'-(4-(3-(4-乙烯基苯基)金刚烷-1-基)苯基)-[1,1'-联苯]-4,4'-二胺

N4,N4-di(bicyclo[4.2.0]octa-1,3,5-trien-3-yl)-N4'-(4-butylphenyl)-N4'-(4-(3-(4-vinylphenyl)adamantan-1-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

1951510-34-1 C₆₂H₆₀N₂ 833.18

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光电材料

创新化学，赋能未来