光电材料-上海康满林

名称及描述		价格/规格	快速订购
KL-1469780-060 N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4-(4,4,5,5-四甲基-1,3,2-二氧杂环己硼烷-2-基)苯基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine	1469780-06-0 C₆₀H₅₈B₂N₂O₄ 892.75	需询价	价格库存

KL-0722546-885 N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4-(((3-乙基氧杂环丁烷-3-基)甲氧基)甲基)苯基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(((3-ethyloxetan-3-yl)methoxy)methyl)phenyl)-[1,1'-biphenyl]-4,4'-diamine	722546-88-5 C₆₂H₆₀N₂O₄ 897.17	需询价	价格库存

KL-2271423-915 N4,N4-二([1,1'-联苯]-4-基)-N4'-(2',7'-双-叔丁基-9,9'-螺bi[fluoren]-7-基)-N4'-苯基-[1,1'-联苯]-4,4'-二胺 N4,N4-di([1,1'-biphenyl]-4-yl)-N4'-(2',7'-di-tert-butyl-9,9'-spirobi[fluoren]-7-yl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine	2271423-91-5 C₇₅H₆₂N₂ 991.33	需询价	价格库存

KL-0955959-703 N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4-(二苯并[b,d]呋喃-4-基)苯基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(dibenzo[b,d]furan-4-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine	955959-70-3 C₇₂H₄₈N₂O₂ 973.19	需询价	价格库存

KL-2271423-802 N4-(9,9'-螺bi[fluoren]-3-基)-N4',N4'-二([1,1'-联苯]-4-基)-N4-苯基-[1,1'-联苯]-4,4'-二胺 N4-(9,9'-spirobi[fluoren]-3-yl)-N4',N4'-di([1,1'-biphenyl]-4-yl)-N4-phenyl-[1,1'-biphenyl]-4,4'-diamine	2271423-80-2 C₆₇H₄₆N₂ 879.12	需询价	价格库存

KL-2716198-375 N4-(2-(9H-咔唑-9-基)-[1,1'-联苯]-4-基)-N4,N4'-二([1,1'-联苯]-4-基)-N4'-苯基-[1,1'-联苯]-4,4'-二胺 N4-(2-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-N4,N4'-di([1,1'-biphenyl]-4-yl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine	2716198-37-5 C₆₆H₄₇N₃ 882.12	需询价	价格库存

KL-2232871-440 N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4'-(三甲基硅基)-[1,1'-联苯]-4-基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4'-(trimethylsilyl)-[1,1'-biphenyl]-4-yl)-[1,1'-biphenyl]-4,4'-diamine	2232871-44-0 C₆₆H₆₀N₂Si₂ 937.39	需询价	价格库存

KL-2410232-481 N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4-(1,3,3-三甲基-2,3-二氢-1H-茚-1-基)苯基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(1,3,3-trimethyl-2,3-dihydro-1H-inden-1-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine	2410232-48-1 C₇₂H₆₄N₂ 957.32	需询价	价格库存

KL-2417274-532 N4,N4-二([1,1'-联苯]-4-基)-N4',N4'-双(7,7-二甲基-7H-苯并[c]芴-9-基)-[1,1'-联苯]-4,4'-二胺 N4,N4-di([1,1'-biphenyl]-4-yl)-N4',N4'-bis(7,7-dimethyl-7H-benzo[c]fluoren-9-yl)-[1,1'-biphenyl]-4,4'-diamine	2417274-53-2 C₇₄H₅₆N₂ 973.28	需询价	价格库存

KL-2458168-664 N4,N4-二([1,1'-联苯]-4-基)-N4',N4'-双(吲哚并[3,2,1-jk]咔唑-2-基)-[1,1'-联苯]-4,4'-二胺 N4,N4-di([1,1'-biphenyl]-4-yl)-N4',N4'-bis(indolo[3,2,1-jk]carbazol-2-yl)-[1,1'-biphenyl]-4,4'-diamine	2458168-66-4 C₇₂H₄₆N₄ 967.19	需询价	价格库存

KL-1351955-786 N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-二(螺[环戊烷-1,9'-fluoren]-2'-基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-di(spiro[cyclopentane-1,9'-fluoren]-2'-yl)-[1,1'-biphenyl]-4,4'-diamine	1351955-78-6 C₇₀H₅₆N₂ 925.23	需询价	价格库存

KL-0142621-134 N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4-(2,2,2-三氟乙氧基)苯基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(2,2,2-trifluoroethoxy)phenyl)-[1,1'-biphenyl]-4,4'-diamine	142621-13-4 C₅₂H₃₈F₆N₂O₂ 836.88	需询价	价格库存

KL-2419151-872 N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(7-苯基萘-1-基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(7-phenylnaphthalen-1-yl)-[1,1'-biphenyl]-4,4'-diamine	2419151-87-2 C₆₈H₄₈N₂ 893.15	需询价	价格库存

KL-2419152-035 N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(8-苯基萘-1-基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(8-phenylnaphthalen-1-yl)-[1,1'-biphenyl]-4,4'-diamine	2419152-03-5 C₆₈H₄₈N₂ 893.15	需询价	价格库存

KL-0949462-151 N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4-苯基萘-1-基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-phenylnaphthalen-1-yl)-[1,1'-biphenyl]-4,4'-diamine	949462-15-1 C₆₈H₄₈N₂ 893.15	需询价	价格库存

KL-3038697-025 N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4-丙基苯基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-propylphenyl)-[1,1'-biphenyl]-4,4'-diamine	3038697-02-5 C₅₄H₄₈N₂ 724.99	需询价	价格库存

KL-1206614-336 N4,N4-二([1,1'-联苯]-4-基)-N4',N4'-双(4,5,9,10-四氢芘-2-基)-[1,1'-联苯]-4,4'-二胺 N4,N4-di([1,1'-biphenyl]-4-yl)-N4',N4'-bis(4,5,9,10-tetrahydropyren-2-yl)-[1,1'-biphenyl]-4,4'-diamine	1206614-33-6 C₆₈H₅₂N₂ 897.18	需询价	价格库存

KL-3035979-575 N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(2,6-二氟-4-己基苯基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(2,6-difluoro-4-hexylphenyl)-[1,1'-biphenyl]-4,4'-diamine	3035979-57-5 C₆₀H₅₆F₄N₂ 881.11	需询价	价格库存

KL-2137068-029 N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(二苯并[b,d]呋喃-2-基)-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(dibenzo[b,d]furan-2-yl)-[1,1'-biphenyl]-4,4'-diamine	2137068-02-9 C₆₀H₄₀N₂O₂ 820.99	需询价	价格库存

KL-1967764-211 N4,N4'-二([1,1'-联苯]-4-基)-N4-(9,9-双(((3-乙基氧杂环丁烷-3-基)甲氧基)甲基)-9H-芴-2-基)-N4'-苯基-[1,1'-联苯]-4,4'-二胺 N4,N4'-di([1,1'-biphenyl]-4-yl)-N4-(9,9-bis(((3-ethyloxetan-3-yl)methoxy)methyl)-9H-fluoren-2-yl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine	1967764-21-1 C₆₉H₆₄N₂O₄ 985.28	需询价	价格库存

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

KL-1469780-060

N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4-(4,4,5,5-四甲基-1,3,2-二氧杂环己硼烷-2-基)苯基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

1469780-06-0 C₆₀H₅₈B₂N₂O₄ 892.75

需询价

价格库存

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(((3-ethyloxetan-3-yl)methoxy)methyl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

KL-0722546-885

N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4-(((3-乙基氧杂环丁烷-3-基)甲氧基)甲基)苯基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(((3-ethyloxetan-3-yl)methoxy)methyl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

722546-88-5 C₆₂H₆₀N₂O₄ 897.17

需询价

价格库存

N4,N4-di([1,1'-biphenyl]-4-yl)-N4'-(2',7'-di-tert-butyl-9,9'-spirobi[fluoren]-7-yl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine

KL-2271423-915

N4,N4-二([1,1'-联苯]-4-基)-N4'-(2',7'-双-叔丁基-9,9'-螺bi[fluoren]-7-基)-N4'-苯基-[1,1'-联苯]-4,4'-二胺

N4,N4-di([1,1'-biphenyl]-4-yl)-N4'-(2',7'-di-tert-butyl-9,9'-spirobi[fluoren]-7-yl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine

2271423-91-5 C₇₅H₆₂N₂ 991.33

需询价

价格库存

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(dibenzo[b,d]furan-4-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

KL-0955959-703

N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4-(二苯并[b,d]呋喃-4-基)苯基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(dibenzo[b,d]furan-4-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

955959-70-3 C₇₂H₄₈N₂O₂ 973.19

需询价

价格库存

N4-(9,9'-spirobi[fluoren]-3-yl)-N4',N4'-di([1,1'-biphenyl]-4-yl)-N4-phenyl-[1,1'-biphenyl]-4,4'-diamine

KL-2271423-802

N4-(9,9'-螺bi[fluoren]-3-基)-N4',N4'-二([1,1'-联苯]-4-基)-N4-苯基-[1,1'-联苯]-4,4'-二胺

N4-(9,9'-spirobi[fluoren]-3-yl)-N4',N4'-di([1,1'-biphenyl]-4-yl)-N4-phenyl-[1,1'-biphenyl]-4,4'-diamine

2271423-80-2 C₆₇H₄₆N₂ 879.12

需询价

价格库存

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

KL-2716198-375

N4-(2-(9H-咔唑-9-基)-[1,1'-联苯]-4-基)-N4,N4'-二([1,1'-联苯]-4-基)-N4'-苯基-[1,1'-联苯]-4,4'-二胺

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

2716198-37-5 C₆₆H₄₇N₃ 882.12

需询价

价格库存

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4'-(trimethylsilyl)-[1,1'-biphenyl]-4-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2232871-440

N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4'-(三甲基硅基)-[1,1'-联苯]-4-基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4'-(trimethylsilyl)-[1,1'-biphenyl]-4-yl)-[1,1'-biphenyl]-4,4'-diamine

2232871-44-0 C₆₆H₆₀N₂Si₂ 937.39

需询价

价格库存

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(1,3,3-trimethyl-2,3-dihydro-1H-inden-1-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

KL-2410232-481

N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4-(1,3,3-三甲基-2,3-二氢-1H-茚-1-基)苯基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(1,3,3-trimethyl-2,3-dihydro-1H-inden-1-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

2410232-48-1 C₇₂H₆₄N₂ 957.32

需询价

价格库存

N4,N4-di([1,1'-biphenyl]-4-yl)-N4',N4'-bis(7,7-dimethyl-7H-benzo[c]fluoren-9-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2417274-532

N4,N4-二([1,1'-联苯]-4-基)-N4',N4'-双(7,7-二甲基-7H-苯并[c]芴-9-基)-[1,1'-联苯]-4,4'-二胺

N4,N4-di([1,1'-biphenyl]-4-yl)-N4',N4'-bis(7,7-dimethyl-7H-benzo[c]fluoren-9-yl)-[1,1'-biphenyl]-4,4'-diamine

2417274-53-2 C₇₄H₅₆N₂ 973.28

需询价

价格库存

N4,N4-di([1,1'-biphenyl]-4-yl)-N4',N4'-bis(indolo[3,2,1-jk]carbazol-2-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2458168-664

N4,N4-二([1,1'-联苯]-4-基)-N4',N4'-双(吲哚并[3,2,1-jk]咔唑-2-基)-[1,1'-联苯]-4,4'-二胺

N4,N4-di([1,1'-biphenyl]-4-yl)-N4',N4'-bis(indolo[3,2,1-jk]carbazol-2-yl)-[1,1'-biphenyl]-4,4'-diamine

2458168-66-4 C₇₂H₄₆N₄ 967.19

需询价

价格库存

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-di(spiro[cyclopentane-1,9'-fluoren]-2'-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-1351955-786

N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-二(螺[环戊烷-1,9'-fluoren]-2'-基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-di(spiro[cyclopentane-1,9'-fluoren]-2'-yl)-[1,1'-biphenyl]-4,4'-diamine

1351955-78-6 C₇₀H₅₆N₂ 925.23

需询价

价格库存

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(2,2,2-trifluoroethoxy)phenyl)-[1,1'-biphenyl]-4,4'-diamine

KL-0142621-134

N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4-(2,2,2-三氟乙氧基)苯基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-(2,2,2-trifluoroethoxy)phenyl)-[1,1'-biphenyl]-4,4'-diamine

142621-13-4 C₅₂H₃₈F₆N₂O₂ 836.88

需询价

价格库存

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

KL-2419151-872

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

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

2419151-87-2 C₆₈H₄₈N₂ 893.15

需询价

价格库存

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(8-phenylnaphthalen-1-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2419152-035

N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(8-苯基萘-1-基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(8-phenylnaphthalen-1-yl)-[1,1'-biphenyl]-4,4'-diamine

2419152-03-5 C₆₈H₄₈N₂ 893.15

需询价

价格库存

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

KL-0949462-151

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

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

949462-15-1 C₆₈H₄₈N₂ 893.15

需询价

价格库存

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-propylphenyl)-[1,1'-biphenyl]-4,4'-diamine

KL-3038697-025

N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(4-丙基苯基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(4-propylphenyl)-[1,1'-biphenyl]-4,4'-diamine

3038697-02-5 C₅₄H₄₈N₂ 724.99

需询价

价格库存

N4,N4-di([1,1'-biphenyl]-4-yl)-N4',N4'-bis(4,5,9,10-tetrahydropyren-2-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-1206614-336

N4,N4-二([1,1'-联苯]-4-基)-N4',N4'-双(4,5,9,10-四氢芘-2-基)-[1,1'-联苯]-4,4'-二胺

N4,N4-di([1,1'-biphenyl]-4-yl)-N4',N4'-bis(4,5,9,10-tetrahydropyren-2-yl)-[1,1'-biphenyl]-4,4'-diamine

1206614-33-6 C₆₈H₅₂N₂ 897.18

需询价

价格库存

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(2,6-difluoro-4-hexylphenyl)-[1,1'-biphenyl]-4,4'-diamine

KL-3035979-575

N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(2,6-二氟-4-己基苯基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(2,6-difluoro-4-hexylphenyl)-[1,1'-biphenyl]-4,4'-diamine

3035979-57-5 C₆₀H₅₆F₄N₂ 881.11

需询价

价格库存

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(dibenzo[b,d]furan-2-yl)-[1,1'-biphenyl]-4,4'-diamine

KL-2137068-029

N4,N4'-二([1,1'-联苯]-4-基)-N4,N4'-双(二苯并[b,d]呋喃-2-基)-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4,N4'-bis(dibenzo[b,d]furan-2-yl)-[1,1'-biphenyl]-4,4'-diamine

2137068-02-9 C₆₀H₄₀N₂O₂ 820.99

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N4,N4'-di([1,1'-biphenyl]-4-yl)-N4-(9,9-bis(((3-ethyloxetan-3-yl)methoxy)methyl)-9H-fluoren-2-yl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine

KL-1967764-211

N4,N4'-二([1,1'-联苯]-4-基)-N4-(9,9-双(((3-乙基氧杂环丁烷-3-基)甲氧基)甲基)-9H-芴-2-基)-N4'-苯基-[1,1'-联苯]-4,4'-二胺

N4,N4'-di([1,1'-biphenyl]-4-yl)-N4-(9,9-bis(((3-ethyloxetan-3-yl)methoxy)methyl)-9H-fluoren-2-yl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine

1967764-21-1 C₆₉H₆₄N₂O₄ 985.28

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光电材料

创新化学，赋能未来