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    中文名称 英文名称 CAS号 化学式
    4,5-二(4-氯苯基)-1,3-噻唑-2-胺 4,5-bis-(4-chlorophenyl)-2-aminothiazole 89405-45-8 C15H10Cl2N2S
    4,5-二(2-甲氧基乙氧基)-2-硝基苯甲酸甲酯 methyl 4,5-bis(2-methoxyethoxy)-2-nitrobenzoate 501684-22-6 C14H19NO8
    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(2-氯苯基)-1,3-噻唑-2-胺 4,5-bis-(2-chlorophenyl)-2-aminothiazole 89405-44-7 C15H10Cl2N2S
    4,5-二(1-戊烯基氧基)-2-咪唑烷酮 2-Imidazolidinone, 4,5-bis(1-pentenyloxy)- 5781-51-1 C13H22N2O3
    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-乙撑二硫代-1,3-二硫酚-2-酮 2,5,7,9-tetrathiabicyclo[4.3.0]non-1(6)-en-8-one 74962-29-1 C5H4OS4
    4,5-alpha-环氧-3-甲氧基-17-甲基-吗喃-8-beta-醇乙酸酯 8β-acetoxy-4,5α-epoxy-3-methoxy-17-methyl-morphinane 2202-08-6 C20H25NO4
    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
    4,5-O-(1-甲基乙亚基)-beta-D-吡喃果糖 4,5-di-O-isopropylidene-β-D-(-)-fructopyranose 912456-61-2 C9H16O6
    (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-Alpha-环氧- 14 -羟基- 3 -甲氧基- 17-甲基- 呋喃 noroxycodone 57664-96-7 C17H19NO4
    4,5--异噻唑二羧酸-4-乙酯 isothiazole-4,5-dicarboxylic acid-4-ethyl ester 98279-60-8 C7H7NO4S
    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
    4,5,9-三硫杂十二碳-1,6,11-三烯 9-氧化物 ajoene 92285-01-3 C9H14OS3
    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-2,7-二辛基苯并[lmn][3,8]菲咯啉-1,3,6,8-四酮 2,3,6,7-tetrabromonaphthalene-1,8,4,5-tetracarboxylic acid N,N-dioctyldiimide 954374-43-7 C30H34Br4N2O4
    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
    4,5,9,10-四溴-2,7-二(2,6-二异丙苯基)苯并[LMN][3,8]邻菲罗啉-1,3,6,8(2H,7H)-四酮 N,N'-bis-(2,6-diisopropylphenyl)-2,3,6,7-tetrabromo-1,4,5,8-naphthalenetetracarboxylic acid diimide 943148-75-2 C38H34Br4N2O4
    4,5,9,10-四氮杂菲 4,5,9,10-tetra-azaphenanthrene 653-05-4 C10H6N4
    4,5,9,10-四氢芘-2,7-二羧酸 4,5,9,10-tetrahydropyrene-2,7-dicarboxylic acid 244789-60-4 C18H14O4
    4,5,9,10-四氢芘 4,5,9,10-tetrahydropyrene 781-17-9 C16H14
    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
    4,5,8-三羟基-3-喹啉羧酸 4,5,8-Trihydroxyquinoline-3-carboxylic acid 79364-27-5 C10H7NO5
    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-2H-1,4-苯并恶嗪-6,7-二酮 4,5,8-trimethyl-3,4-dihydro-2<i>H</i>-benzo[1,4]oxazine-6,7-dione 29441-77-8 C11H13NO3
    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
    4,5,8-三氯喹啉-3-甲酸乙酯 Ethyl 4,5,8-trichloroquinoline-3-carboxylate 338795-11-2 C12H8Cl3NO2
    4,5,8-三氯喹啉 4,5,8-trichloro-quinoline 855763-24-5 C9H4Cl3N
    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-邻乙酰基-2,6-酐-3-脱氧-d-lyxo-2-庚烯腈 hepta-O-acetyl-α-laminarabiosyl bromide 23202-66-6 C26H35BrO17
    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
    4,5,7-三苯基-1,3-二氢-2-苯并呋喃 4,5,7-triphenyl-1,3-dihydroisobenzofuran 61051-02-3 C26H20O
    4,5,7-三羟基香豆素 4,5,7-trihydroxycoumarin 17575-26-7 C9H6O5
    4,5,7-三羟基3,6,8-三甲氧基黄酮 5,7,4'-trihydroxy-3,6,8-trimethoxyflavone 57393-71-2 C18H16O8
    4,5,7-三羟基3,3,6,8-四甲氧基黄酮 5,7,4'-trihydroxy-3,3',6,8-tetramethoxyflavone 58130-91-9 C19H18O9
    4,5,7-三羟基-4-甲氧基-3-苯基香豆素 4,5,7-trihydroxy-3-(4-methoxy-phenyl)-coumarin 4376-81-2 C16H12O6
    4,5,7-三羟基-3-苯基香豆素 4,5,7-Trihydroxy-3-phenyl-coumarin 4222-02-0 C15H10O5
    4,5,7-三羟基-3-喹啉羧酸 4,5,7-Trihydroxyquinoline-3-carboxylic acid 79364-28-6 C10H7NO5
    4,5,7-三甲氧基-2-萘羧酸甲酯 methyl 4,5,7-trimethoxynaphthalene-2-carboxylate 74694-98-7 C15H16O5
    4,5,7-三甲氧基-2-萘羧酸 4,5,7-trimethoxy-2-naphthoic acid 77729-61-4 C14H14O5
    4,5,7-三甲基香豆素 4,5,7-trimethylcoumarin 14002-91-6 C12H12O2
    4,5,7-三甲基茚满 4,5,7-trimethylindan 6682-06-0 C12H16
    4,5,7-三甲基-N-(((4-甲基苯基)氨基)羰基)-2-氧代-2H-1-苯并吡喃-8-磺酰胺 2H-1-Benzopyran-8-sulfonamide, 4,5,7-trimethyl-N-(((4-methylphenyl)amino)carbonyl)-2-oxo- 85302-25-6 C20H20N2O5S
    4,5,7-三甲基-2-氧代-N-((苯基氨基)羰基)-2H-1-苯并吡喃-8-磺酰胺 2H-1-Benzopyran-8-sulfonamide, 4,5,7-trimethyl-2-oxo-N-((phenylamino)carbonyl)- 85302-26-7 C19H18N2O5S