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    中文名称 英文名称 CAS号 化学式
    4,5-二乙基-1,3-噻唑-2-胺 4,5-diethyl-thiazol-2-ylamine 105955-86-0 C7H12N2S
    4,5-二[(2-羟基乙基)硫基]-1,3-二硫醇-2-酮 4,5-bis(β-hydroxyethylthio)-1,3-dithiol-2-one 128258-72-0 C7H10O3S4
    4,5-二[(2-碘乙基)硫基]-1,3-二硫醇-2-酮 4,5-bis(β-iodoethylthio)-1,3-dithiol-2-one 128258-76-4 C7H8I2OS4
    4,5-二-（二-异丙基膦基甲基）吖啶 4,5-bis(di-iso-propylphosphinomethyl)acridine 1101230-28-7 C27H39NP2
    4,5-二-9H-咔唑-9-基-1,2-苯二甲腈 4,5-di(9H-carbazol-9-yl)phthalonitrile 1416881-50-9 C32H18N4
    4,5-二(苄氧基)-2-甲基苯甲酸 4,5-bisbenzyloxy-2-methylbenzoic acid 127531-39-9 C22H20O4
    4,5-二(二甲氨基)萘-1,8-二甲醛 4,5-bis(dimethylamino)naphthalene-1,8-dicarbaldehyde 127348-70-3 C16H18N2O2
    4,5-二(二甲氨基)-9,10-二氯菲 4,5-Bis(dimethylamino)-9,10-dichlorphenanthren 101543-85-5 C18H18Cl2N2
    4,5-二(二甲氨基)-9,10-二氢菲 4,5-Bis(dimethylamino)-9,10-dihydrophenanthren 101543-80-0 C18H22N2
    4,5-二(4-甲氧苯基)-2-[1-(2,2,2-三氟乙基)-1H-吡咯-2-基]-1,3-噻唑 4,5-bis(4-methoxyphenyl)-2-[1-(2,2,2-trifluoroethyl)pyrrol-2-yl]thiazole 101001-32-5 C23H19F3N2O2S
    4,5-二(2-甲氧基乙氧基)-2-硝基苯甲酸乙酯 ethyl 4,5-bis(2-methoxyethoxy)-2-nitrobenzoate 179688-26-7 C15H21NO8
    4,5-二(1,3,2-二硫杂砷戊环-2-基)-9-(4-氟苯基)-6-羟基-3H-氧杂蒽-3-酮 2,5-di-(1,3,2-dithiarsolan-2-yl)-9-(4-fluorophenyl)-6-hydroxy-3-fluorone 1378318-62-7 C23H17As2FO3S4
    4,5-O-异亚丙基-3,6-二-O-(苯基甲基)-1-O-(三苯基甲基)DL-myo-肌醇 4,5-O-Isopropylidene-3,6-bis-O-(phenylmethyl)-1-O-(triphenylmethyl) DL-myo-Inositol 114218-25-6 C42H42O6
    (4,8-双-(2-乙基己氧基)-2,6-双(三甲基锡基)苯并[1,2-b;4,5-b']二呋喃) 2,6-bis(trimethyltin)-4,8-bis(2-ethylhexyloxy)benzo[1,2-b:4,5-b′]difuran 1352743-87-3 C32H54O4Sn2
    4,5-B']二呋喃 2,6-bis(trimethyltin)-4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b:4,5-b′]difuran 1391764-83-2 C40H58O2S2Sn2
    4,5-(六氢苯并)-3-苯基-1,3-恶唑烷-2-酮 4,5-(hexahydrobenzo)-3-phenyl-1,3-oxazolidin-2-one 100371-98-0 C13H15NO2
    4,5-(六氢苯并)-3-苯基-1,3-恶唑烷-2-酮 4,5-tetramethylene-3-phenyl-1,3-oxazolidin-2-one 100371-98-0 C13H15NO2
    4,5,9-三氯-4,5-二氢芘 4,5,9-Trichloro-4,5-dihydropyrene 104514-01-4 C16H9Cl3
    4,5,9,10-四溴-2,7-二(2-辛基十二烷基)苯并[lmn][3,8]菲咯啉-1,3,6,8(2H,7H)-四酮 N,N'-bis(2-octyldodecyl)-2,3,6,7-tetrabromonaphthalene-1,4,5,8-bis(dicarboximide) 1219501-17-3 C54H82Br4N2O4
    4,5,9,10-四溴-2,7-二(2-癸基十四烷基)苯并[LMN][3,8]邻二氮杂菲-1,3,6,8(2H,7H)-四酮 4,5,9,10-tetrabromo-2,7-bis(2-decyltetradecyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone 1219501-16-2 C62H98Br4N2O4
    4,5,9,10-四氢-2,7-二硝基-芘 2,7-dinitro-4,5,9,10-tetrahydropyrene 117929-13-2 C16H12N2O4
    4,5,9,10-吡咯烷酮,2,7-双(1,1-二甲基乙基) 2,7-di-tert-butyl-pyrene-4,5,9,10-tetraone 190843-93-7 C24H22O4
    4,5,8-三甲基八氢-2H-吡嗪并[2,3-b][1,4]恶嗪 triaza-4,5,8 oxo-1 decaline 100180-96-9 C9H19N3O
    4,5,8-三甲基-3,4-二氢-1(2H)-萘酮 4,5,8-Trimethyl-1,2,3,4-tetrahydronaphthalin-1-on 10468-61-8 C13H16O
    4,5,8,9-四氮杂四环[4.4.0.02,10.03,7]癸烷 4,5,8,9-Tetraazatetracyclo[4.4.0.0<sup>2,10</sup>.0<sup>3,7</sup>]decane 123994-27-4 C6H10N4
    4,5,8,9-四氮杂四环[4.4.0.02,10.03,7]癸-4,8-二烯 (3R,3as,6s,7R,7aS,8S)-3a,6,7,7a-tetrahydro-3H-3,6,7-(epimethanetriyl)pyrazolo[4,3-c]pyridazine 123994-28-5 C6H6N4
    4,5,7-三邻乙酰基-2,6-酐-3-脱氧-d-lyxo-2-氨基庚烯 4,5,7-tri-O-acetyl-2,6-anhydro-3-deoxy-dlyxo-hept-2-enonamide 183233-11-6 C13H17NO8
    4,5,7-三羟基香豆素 4,5,7-trihydroxycoumarin 17575-26-7 C9H6O5
    4,5,7-三甲基香豆素 4,5,7-trimethylcoumarin 14002-91-6 C12H12O2
    4,5,7-三甲基-1,3-二氢异苯并呋喃 4,5,7-trimethyl-1,3-dihydroisobenzofuran 1030840-73-3 C11H14O
    4,5,7-三氯-2-喹啉羧酸甲酯 Methyl 4,6,7-trichloroquinoline-2-carboxylate 198696-84-3 C11H6Cl3NO2
    4,5,7-三氯-2-(三氟甲基)喹啉 4,5,7-trichloro-2-(trifluoromethyl)quinoline 175203-41-5 C10H3Cl3F3N
    4,5,7-三氟-2-甲基-1,3-苯并噻唑 4,5,7-trifluoro-2-methylbenzothiazole 159790-13-3 C8H4F3NS
    4,5,7-三氟-2,1,3-苯并噻二唑 4,5,7-trifluoro-2,1,3-benzothiadiazole 132844-31-6 C6HF3N2S
    4,5,7-三氟-1,3-苯并噻唑-2(3H)-硫酮 4,5,7-trifluoro-2-mercaptobenzothiazole 179178-91-7 C7H2F3NS2
    4,5,7-三乙基-2,2,3-三甲基-1-氧杂-6-氮杂-2-硅杂-5-硼杂-3-环辛烯 4,5,7-triethyl-2,2,3-trimethyl-1-oxa-6-aza-2-sila-5-bora-3-cyclooctene 129363-48-0 C13H28BNOSi
    4,5,7,8-四甲氧基-1-氧杂-螺[2.5]辛-4,7-二烯-6-酮 4,5,7,8-tetramethoxy-1-oxa-spiro[2.5]octa-4,7-dien-6-one 100059-82-3 C11H14O6
    4,5,7,8-四氢吡唑并[3,4-D]氮杂6-(1H)-羧酸叔丁酯 1,1-dimethylethyl 4,5,7,8-tetrahydropyrazolo[3,4-d]azepine-6(2H)-carboxylate 1029720-45-3 C12H19N3O2
    4,5,7,8-四乙酰氧基-1-氧杂-螺[2.5]辛-4,7-二烯-6-酮 4,5,7,8-tetraacetoxy-1-oxa-spiro[2.5]octa-4,7-dien-6-one 109436-12-6 C15H14O10
    4,5,6-三羟基-2-氧代-己酸 4,5,6-trihydroxy-2-oxohexanoic acid 17510-99-5 C6H10O6
    4,5,6-三甲氧基-2-嘧啶胺 2-Amino-4,5,6-trimethoxy-pyrimidin 13428-61-0 C7H11N3O3
    4,5,6-三甲氧基-2,3-二氢-1H-茚-1-酮 4,5,6-trimethoxy-2,3-dihydro-1H-inden-1-one 16718-42-6 C12H14O4
    4,5,6-三甲基嘧啶-2-硫醇 4,5,6-trimethyl-2,5-dihydro-2-thioxopyrimidine 17697-92-6 C7H10N2S
    4,5,6-三甲基吡喃-2-酮 4,5,6-trimethyl-2-pyrone 14818-31-6 C8H10O2
    4,5,6-三氯烟酸乙酯 ethyl 4,5,6-trichloronicotinate 181261-73-4 C8H6Cl3NO2
    4,5,6-三氯嘧啶 4,5,6-trichloropyrimidine 1780-27-4 C4HCl3N2
    4,5,6-三氯-2-甲基嘧啶 2-methyl-4,5,6-trichloropyrimidine 1780-28-5 C5H3Cl3N2
    4,5,6-三氯-2-(3-吡啶基)嘧啶 4,5,6-Trichloro-2-(pyridin-3-yl)pyrimidine 1314401-24-5 C9H4Cl3N3
    4,5,6-三氯-2-(3,4,5-三氯苯氧基)-苯酚 4,5,6-Trichloro-2-(3,4,5-trichlorophenoxy)-phenol 104255-01-8 C12H4Cl6O2
    4,5,6-三氨基嘧啶 4,5,6-triaminopyrimidine 118-70-7 C4H7N5