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    中文名称 英文名称 CAS号 化学式
    4-(2-氯乙氧基)苯甲酸乙酯 ethyl 4-(2-chloroethoxy)benzoate 40992-21-0 C11H13ClO3
    4-(2-氯乙基)-苯磺酰氯 4-(2-chloro-ethyl)-benzenesulfonyl chloride 4796-23-0 C8H8Cl2O2S
    4-(2-氯乙基)-1H-吡唑 4-(2-chloroethyl)-1H-pyrazole 438475-37-7 C5H7ClN2
    4-(2-氯-乙基)-四氢-吡喃 4-<2'-Chloraethyl>-tetrahydropyran 4677-19-4 C7H13ClO
    4-(2-氯-丙基)-苯甲醚 1-(2-chloropropyl)-4-methoxybenzene 4125-46-6 C10H13ClO
    4-(2-氯-丙基)-吗啉 4-(2-chloro-propyl)-morpholine 41821-45-8 C7H14ClNO
    4-(2-氯-9H-嘌呤-6-基)吗啡 4-(2-chloro-9H-purin-6-yl)morpholine 4010-81-5 C9H10ClN5O
    4-(2-氯-4-三氟甲基苯氧基)-苯 2-Chlor-4-trifluormethyl-diphenylether 42874-98-6 C13H8ClF3O
    4-(2-氯-1,1,2-三氟乙氧基)苯胺 4-(1,1,2-trifluoro-2-chloroethoxy)aniline 403-61-2 C8H7ClF3NO
    4-(2-氯-1,1,2-三氟乙氧基)苯甲酸 4-(1,1,2-trifluoro-2-chloroethoxy)benzoic acid 405-43-6 C9H6ClF3O3
    4-(2-氨基苯磺酰基)哌嗪-1-羧酸叔丁酯 tert-butyl 4-(2-aminobenzenesulfonyl)piperazine-1-carboxylate 444087-23-4 C15H23N3O4S
    4-(2-氨基苯基)丁酸甲酯 methyl 4-(o-aminophenyl)butyrate 46320-17-6 C11H15NO2
    4-(2-氨基苯基)-丁腈 4-(2-aminophenyl)-butyronitrile 438526-37-5 C10H12N2
    4-(2-氨基甲酰基-1-吡咯烷)-4-氧丁酸 4-(2-Carbamoyl-pyrrolidin-1-yl)-4-oxo-butyric acid 436811-12-0 C9H14N2O4
    4-(2-氨基乙基)-N-(叔丁氧羰基)苯胺 4-(2-aminoethyl)-N-(tert-butoxycarbonyl)phenylamine 457631-44-6 C13H20N2O2
    4-(2-氨基-3-氯苯基)苯甲酸 Methyl 2-sulfooctadecanoate, sodium salt 4062-78-6 C19H38NaO5S
    4-(2-氨基-1-苯基乙基)哌嗪-1-羧酸叔丁酯 4-(2-amino-1-phenyl-ethyl)-piperazine-1-carboxylic acid tert-butyl ester 444892-54-0 C17H27N3O2
    4-(2-氨基-1-(4-(三氟甲基)苯基)乙基)哌嗪-1-羧酸叔丁酯 4-[2-amino-1-(4-trifluoromethyl-phenyl)-ethyl]-piperazine-1-carboxylic acid tert-butyl ester 444892-59-5 C18H26F3N3O2
    4-(2-氨基-1,3-噻唑-4-基)苯腈 4-(2-aminothiazol-4-yl)benzonitrile 436151-85-8 C10H7N3S
    4-(2-氧代吲哚啉-1-基)哌啶-1-羧酸叔丁酯 tert-butyl 4-(2-oxoindolin-1-yl)piperidine-1-carboxylate 400797-94-6 C18H24N2O3
    4-(2-氧代-2-吡咯烷-1-基-乙氧基)-苯甲醛 4-(2-oxo-2-pyrrolidin-1-ylethoxy)benzaldehyde 438229-79-9 C13H15NO3
    4-(2-氧代-1(2H)-吡啶基)苯腈 4-(2-oxopyridin-1(2H)-yl)benzonitrile 444002-96-4 C12H8N2O
    4-(2-氟乙基)吡啶 4-(2-fluoroethyl)pyridine 497914-04-2 C7H8FN
    4-(2-氟-4-硝基苯氧基)-6-甲氧基-7-羟基喹啉 4-(2-fluoro-4-nitro-phenoxy)-6-methoxy-quinolin-7-ol 479690-08-9 C16H11FN2O5
    4-(2-氟-4-硝基苯氧基)-6-甲氧基-7-(苄氧基)喹啉 7-benzyloxy-4-(2-fluoro-4-nitrophenoxy)-6-methoxyquinoline 479690-03-4 C23H17FN2O5
    4-(2-异亚丙基肼基)苯甲酸 4-isopropylidenehydrazino-benzoic acid 41902-73-2 C10H12N2O2
    4-(2-巯基乙基)吗啉盐酸盐 2-(4-morpholinyl)ethanethiol hydrochloride 42302-10-3 C6H13NOS*ClH
    4-(2-噻吩基)丁酸 2-thiophenebutyric acid 4653-11-6 C8H10O2S
    4-(2-噻吩基)-2,3-二氢-1H-1,5-苯并二氮杂卓 4-(thiophen-2-yl)-2,3-dihydro-1H-1,5-benzodiazepine 497178-55-9 C13H12N2S
    4-(2-噻吩-2-乙酰氨基)-苯甲酸 4-(2-Thiophen-2-yl-acetylamino)-benzoic acid 436088-76-5 C13H11NO3S
    4-(2-哌啶基-1-基-苯氨基甲酰)丁酸 4-(2-Piperidin-1-yl-phenylcarbamoyl)-butyric acid 436088-56-1 C16H22N2O3
    4-(2-呋喃并基氨基)-3-甲基苯甲酸 4-(2-Furoylamino)-3-methylbenzoic acid 435288-00-9 C13H11NO4
    4-(2-呋喃基)-2-甲基噻唑 2-methyl-4-(2-furyl)thiazole 492440-71-8 C8H7NOS
    4-(2-吡啶基)-1-哌嗪乙醇 2-<4-(pyridin-2-yl)piperazin-1-yl>ethanol 40004-68-0 C11H17N3O
    4-(2-吡啶)嘧啶-2-硫醇 4-pyridin-2-yl-pyrimidin-2-thiol 454699-37-7 C9H7N3S
    4-(2-吡咯烷-1-苯基氨基甲酰)-丁酸 4-(2-Pyrrolidin-1-yl-phenylcarbamoyl)-butyric acid 436088-74-3 C15H20N2O3
    4-(2-吗啉-4-苯基氨基甲酰基)-丁酸 4-(2-Morpholin-4-yl-phenylcarbamoyl)-butyric acid 436088-59-4 C15H20N2O4
    4-(2-亚甲基肼基)苯磺酰胺 4-methylenehydrazino-benzenesulfonic acid amide 42357-48-2 C7H9N3O2S
    4-(2-二甲氧基苯氧基)哌啶 4-(2-ethoxy-phenoxy)-piperidine 420137-19-5 C13H19NO2
    4-(2-乙酰氧基乙酰基)苯基乙酸酯 2,4’-diacetoxyacetophenone 42528-99-4 C12H12O5
    4-(2-乙酰氧基乙酰基)-1,2-亚苯基二乙酸酯 2,3’,4’-triacetoxyacetophenone 42529-03-3 C14H14O7
    4-(2-乙氧基乙氧基)苯甲酸 p-2-Ethoxyethoxybenzoesaeure 40782-64-7 C11H14O4
    4-(2-乙基-苯并咪唑-1-基)-4-氧代-丁酸 4-(2-Ethylbenzimidazol-3-ium-1-yl)-4-oxobutanoate 402944-83-6 C13H14N2O3
    4-(2-乙基-2H-5-四唑)-苯胺 4-(2-ethyl-2H-tetrazol-5-yl)aniline 436092-88-5 C9H11N5
    4-(2-丙烯基)苯基6-O-D-芹菜-beta-D-呋喃糖基-beta-D-吡喃葡萄糖苷 furcatin 499-33-2 C20H28O10
    4-(2-丙烯基)-2-环己烯-1-酮 4-allyl-2-cyclohexenone 4166-61-4 C9H12O
    4-(2-丁炔-1-基)吗啉 4-(but-2-ynyl)morpholine 443749-20-0 C8H13NO
    4-(2-丁基)苯甲酸 (+/-)-4-<i>sec</i>-Butyl-benzoesaeure 40912-38-7 C11H14O2
    4-(2-(吡啶-2-基)-5,6-二氢-4H-吡咯并[1,2-b]吡唑-3-基)喹啉-7-醇 4-(2-pyridin-2-yl-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl)quinolin-7-ol 476474-11-0 C20H16N4O
    4-(2-(6-甲基吡啶-2-基)-5,6-二氢-4H-吡咯并[1,2-b]吡唑-3-基)喹啉-6-羧酸甲酯 4-[2-(6-methyl-pyridin-2-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl]-quinoline-6-carboxylic acid methyl ester 476475-44-2 C23H20N4O2