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    中文名称 英文名称 CAS号 化学式
    4-己烯酸,2-乙酰基-2,3-二甲基-,乙基酯 (2S,3S,4S,5R)-6-[2-(4-chlorophenoxy)-2-methylpropanoyl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid 80183-07-9 C16H19ClO9
    4-己氧基-2-羟基苯甲醛 4-hexyloxy-2-hydroxybenzaldehyde 89027-80-5 C13H18O3
    4-己基环己醇 4-Hexylcyclohexanol 80407-01-8 C12H24O
    4-己基-2-噻吩硼酸频哪醇酯 2-(4-hexylthiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 883742-29-8 C16H27BO2S
    4-己基-2-(2-苯基乙基)-2H-呋喃-5-酮 3-Hexyl-5-phenethyl-5H-furan-2-one 88486-38-8 C18H24O2
    4-巯基对苯二甲酸 4-mercaptophthalic acid 82520-79-4 C8H6O4S
    4-对甲苯基-四氢-吡喃-4-羧酸 4-p-Tolyl-tetrahydro-pyran-4-carboxylic acid 889940-11-8 C13H16O3
    4-对甲氧基苯基-2-苯基吡咯 4-(4-methoxyphenyl)-2-phenyl-1H-pyrrole 861033-75-2 C17H15NO
    4-外-1,5-环氧-4-甲基二环[5.3.0]癸烷-2-酮 4-exo-1,5-epoxy-4-methylbicyclo<5.3.0>decan-2-one 84735-78-4 C11H16O2
    4-壬酰氧基苯磺酸钠盐 —— 89740-11-4 C15H22NaO5S
    4-壬基噻唑-2-胺 4-nonyl-thiazol-2-ylamine 857549-09-8 C12H22N2S
    4-壬-1-苯基苯甲酸乙酯 4-Non-1-ynyl-benzoic acid ethyl ester 827028-06-8 C18H24O2
    4-均三甲苯基-3,3-二甲基-2-丁醇 3,3-Dimethyl-4-(2,4,6-trimethylphenyl)butan-2-ol 827299-41-2 C15H24O
    4-四氢吡喃基氯甲酸 tetrahydropyran-4-yl carbonochloridate 89641-80-5 C6H9ClO3
    4-噻唑羧酸,5-乙烯基- 9,9-Bis[2-(2-methoxyethoxy)ethoxy]-N-methyl-2,5,8-trioxa-9-siladodecan-12-amine 87994-62-5 C19H43NO9Si
    4-噻唑烷羧酸,2-硫代-,甲基酯,(R)- 4(R)-(methoxycarbonyl)-1,3-thiazolidine-2-thione 80963-80-0 C5H7NO2S2
    4-噻唑烷羧酸,2-甲基-,(2S,4R)- 4-Thiazolidinecarboxylic acid, 2-methyl-, (2S,4R)- 88855-02-1 C5H9NO2S
    4-噻唑乙酸,2-[[(1,1-二甲基乙氧基)羰基]氨基]-a-(甲氧基亚氨基)-,(aZ)- 2-Benzoyl-5H-thiadiazolo<2,3-b>quinazolin-5-one 82000-27-9 C16H9N3O2S
    4-噻唑丙醛 3-thiazol-4-ylpropionaldehyde 878001-07-1 C6H7NOS
    4-噻吩-2-基-1,2,5-噻二唑-3-胺 3-amino-4-(α-thienyl)-1,2,5-thiadiazole 88089-51-4 C6H5N3S2
    4-噻吩-2-四氢吡喃-4-羧酸 4-(2-thienyl)tetrahydropyran-4-carboxylic acid 880166-18-7 C10H12O3S
    4-噁唑羧酸,4,5-二氢-4-甲基-5-羰基-2-苯基-,乙基酯 4-methyl-5-oxo-2-phenyl-4,5-dihydrooxazole-4-carboxylic acid ethyl ester 886466-22-4 C13H13NO4
    4-噁唑羧酸,4,5-二氢-4-甲基-5-羰基-2-苯基-,2-甲基丙基酯 4-methyl-5-oxo-2-phenyl-4,5-dihydrooxazole-4-carboxylic acid (2-methylpropyl) ester 886466-26-8 C15H17NO4
    4-噁唑羧酸,4,5-二氢-2-(4-甲氧苯基)-4-甲基-5-羰基-,乙基酯 4-methyl-5-oxo-2-(4-methoxyphenyl)-4,5-dihydrooxazole-4-carboxylic acid ethyl ester 886466-32-6 C14H15NO5
    4-噁唑烷羧酸,5-甲基-2-羰基-,甲基酯,(4R,5S)-rel- 9H-Pyrido(3,4-b)indole-9-ethanamine, 1,2,3,4-tetrahydro-N,N,3-trimethyl- 84298-41-9 C16H23N3
    4-嘧啶羧酸,2-氯-6-(三氟甲基)- Iminocyclophosphamide 84489-09-8 C7H13Cl2N2O2P
    4-嘧啶甲酸钠盐 sodium pyrimidine-4-carboxylate 819850-18-5 C5H3N2O2*Na
    4-嘧啶甲酰胺 4-Aminobenzo(a)pyrene 82507-21-9 C20H13N
    4-嘧啶甲腈,2-苯基- Glycotriosyl glutamine 83235-86-3 C23H40N2O18
    4-嘧啶基-5-苯甲酸乙酯 4-(pyrimidin-5-yl)benzoic acid ethyl ester 82525-18-6 C13H12N2O2
    4-嘧啶基-2-苯甲酰胺 4-pyrimidin-2-ylbenzylamine 885466-44-4 C11H11N3
    4-嘧啶-2-基哌嗪-1-甲醛 1-formyl-4-(2-pyrimidyl)piperazine 88268-16-0 C9H12N4O
    4-喹啉羧酸,2-(1-甲基乙基)- (3S,5R)-5-((R)-2-((1R,3αS,7αR,E)-4-((Z)-2-((3S,5R)-3,5-dihydroxy-2-methylenecyclohexylidene)ethylidene)-7α-methyloctahydro-1H-inden-1-yl)propyl)-3-hydroxy-3-methyldihydrofuran-2(3H)-one 87680-15-7 C27H40O5
    4-喹啉甲酸 6-fluoro-7-chloro-1-methylamino-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid 88569-39-5 C11H8ClFN2O3
    4-喹啉-8-氧基苯甲酸 4-[(Quinolin-8-yl)oxy]benzoic acid 866082-42-0 C16H11NO3
    4-喹啉-8-氧基苯甲腈 8-(4-cyanophenoxy)quinoline 860004-36-0 C16H10N2O
    4-喹唑啉基硒酸钠 Sodium 4-quinazolinyl selenate 87356-40-9 C8H5N2Se*Na
    4-哌嗪基苯并噻吩盐酸盐 1-(benzo[b]thiophen-4-yl)piperazine 846038-18-4 C12H14N2S
    4-哌嗪-1-基-呋喃并吡啶 4-(1-piperazinyl)furo<3,2-c>pyridine 81078-84-4 C11H13N3O
    4-哌啶-4-甲基吡啶 4-(piperidin-4-ylmethyl)pyridine 899356-95-7 C11H16N2
    4-哌啶-4-基喹啉-1-氧化物 4-Piperidin-4-YL-quinoline 1-oxide 885274-79-3 C14H16N2O
    4-哌啶-4-基-苯甲酸 Tonostan 8060-62-6 C19H25N5O4
    4-哌啶(2-噻吩)甲酮 4-[oxo(thien-2-yl)methyl]piperidine 86542-98-5 C10H13NOS
    4-咪唑烷羧酸,3-[(2S)-2-[[(1S)-1-羧基-3-苯基丙基]氨基]-1-羰基丙基]-1-甲基-2-羰基-,(4S)- 3-Chlorodihydro-3,5-dimethyl-5-phenylfuran-2(3H)-one 89630-70-6 C12H13ClO2
    4-咪唑-1-基-5,5-二甲基呋喃-2-亚胺 1-(2-imino-5,5-dimethyl-2,5-dihydro-4-furyl)imidazole 86790-59-2 C9H11N3O
    4-咪唑-1-基-4-苯基-丁-3-烯-2-酮 4-imidazol-1-yl-4-phenyl-but-3-en-2-one 85143-86-8 C13H12N2O
    4-呋喃-2-基-3-甲基-丁-3-烯-2-酮 2-Furfuryliden-butanon-(3) 81540-27-4 C9H10O2
    4-吡啶胺,3-溴-N-甲基- 3-(Glutathion-S-yl)-N,N'-diacetylbenzidine 89014-16-4 C26H31N5O8S
    4-吡啶甲醛 pyridine-4-carbaldehyde 872-85-5 C6H5NO
    4-吡啶甲亚胺酸肼 (Z)-N-aminopyridine-4-carboximidamide 89830-71-7 C6H8N4