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    中文名称 英文名称 CAS号 化学式
    4-(2-氨乙基)四氢吡喃 4-(2-aminoethyl)tetrahydropyran 65412-03-5 C7H15NO
    4-(2-氧代环戊基)乙酸丁酯 2-(4'-Acetoxybutyl)cyclopentanon 61114-32-7 C11H18O3
    4-(2-氧代环戊基)丁醛 4-(2-Oxo-cyclopentyl)-butyraldehyde 62528-29-4 C9H14O2
    4-(2-氧代吡咯烷-1-基)丁酸甲酯 4-(2-oxo-pyrrolidino)-butyric acid methyl ester 6740-20-1 C9H15NO3
    4-(2-氧代丙基)-2-氮杂环丁酮 4-(2-oxo-propyl)-azetidin-2-one 68485-90-5 C6H9NO2
    4-(2-氧代-1H-喹啉-4-基)丁腈 4-(2(1H)-oxoquinolin-4-yl)butanenitrile 647836-47-3 C13H12N2O
    4-(2-氧代-1H-喹啉-3-基)丁腈 4-(2(1H)-oxoquinolin-3-yl)butanenitrile 647836-45-1 C13H12N2O
    4-(2-氧代-1-咪唑啉yl)-苯羧酸甲酯 methyl 4-(2-oxoimidazolidin-1-yl)benzoate 627901-54-6 C11H12N2O3
    4-(2-氧代-1-吡咯烷)-丁酸 4-(2-oxopyrrolidin-1-yl)butanoic acid 6739-80-6 C8H13NO3
    4-(2-氧代-1,3-苯并噻唑-3-基)丁腈 2-oxo-3(2H)-benzothiazolinebutyronitrile 61516-69-6 C11H10N2OS
    4-(2-氟苯基)哌啶盐酸盐 4-(2-fluoro-phenyl)piperidine hydrochloride 691875-81-7 C11H14FN*ClH
    4-(2-氟苯基)哌啶盐酸盐 (2-fluorophenyl)(piperidin-4-yl)methanone hydrochloride 64671-29-0 C12H14FNO*ClH
    4-(2-氟苯基)吡咯烷-2-酮 4-(2-fluorophenyl)pyrrolidin-2-one 654633-85-9 C10H10FNO
    4-(2-氟苯基)二环[2.2.1]庚烷 1-(2-fluorophenyl)norbornane 62226-66-8 C13H15F
    4-(2-氟苯基)-2-氨基嘧啶 4-(2-fluorophenyl)-2-yl-pyrimidin-2-ylamine 658699-90-2 C10H8FN3
    4-(2-氟苯基)-2,4-二氧代丁酸甲酯 Methyl 4-(2-fluorophenyl)-2,4-dioxobutanoate 608536-99-8 C11H9FO4
    4-(2-氟苯基)-1-甲基哌啶-4-甲腈 4-cyano-4-(2-fluorophenyl)-1-methylpiperidine 69584-88-9 C13H15FN2
    4-(2-氟苄氧基)哌啶盐酸盐 4-(2-fluorobenzyloxy)piperidine hydrochloride 614731-34-9 C12H16FNO*ClH
    4-(2-氟乙氧基)-2-羟基苯甲酸甲酯 methyl 2-hydroxy-4-(2-fluoroethoxy)benzoate 651331-90-7 C10H11FO4
    4-(2-氟乙氧基)-2-羟基苯甲酸 2-hydroxy-4-(2-fluoroethoxy)benzoic acid 651331-95-2 C9H9FO4
    4-(2-氟-苯基)-3-羟基-丁酸酰肼 4-(2-fluoro-phenyl)-3-hydroxy-butyric acid hydrazide 64664-05-7 C10H13FN2O2
    4-(2-异硫氰基乙基)苯酚 2-(4-hydroxyphenyl)ethyl isothiocyanate 60114-04-7 C9H9NOS
    4-(2-噻吩)-6-(三氟甲基)嘧啶-2-醇 4-thiophen-2-yl-6-trifluoromethyl-1(3)<i>H</i>-pyrimidin-2-one 67804-95-9 C9H5F3N2OS
    4-(2-嘧啶基)-1-哌嗪基(3,4,5-三甲氧基苯基)甲酮 1-pyrimidin-2-yl-4-(3,4,5-trimethoxy-benzoyl)-piperazine 67479-04-3 C18H22N4O4
    4-(2-喹啉-6-基乙炔基)苯胺 4-[2-(6-quinolinyl)ethynyl]aniline 656820-80-3 C17H12N2
    4-(2-喹啉-2-基乙基)吗啉 2-(2-Morpholino-aethyl)-chinolin 68311-70-6 C15H18N2O
    4-(2-哌啶-4-基乙基)哌啶 4-[2-(piperidin-4-yl)ethyl]piperidine 6329-72-2 C12H24N2
    4-(2-咪唑啉基)苯胺盐酸盐 2-(4-aminophenyl)-4,5-dihydro-1H-imidazole hydrochloride 61033-86-1 C9H11N3*ClH
    4-(2-呋喃基羰基)-alpha-甲基苯乙酸 (+/-)α-METHYL-4-(FURAN-2-CARBONYL) PHENYLACETIC ACID 66318-17-0 C14H12O4
    4-(2-呋喃基)-3-丁烯-2-酮 4-(furan-2-yl)but-3-en-2-one 623-15-4 C8H8O2
    4-(2-呋喃基)-1-丁烯-4-醇 1-(furan-2-yl)but-3-en-1-ol 6398-51-2 C8H10O2
    4-(2-呋喃)苯甲醛 4-furylbenzaldehyde 60456-77-1 C11H8O2
    4-(2-吡咯烷乙氧基)苯硼酸频那醇酯 1-(2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)ethyl)pyrrolidine 656257-46-4 C18H28BNO3
    4-(2-吡咯烷-1-基乙氧基)苯甲酸 4-(2-pyrrolidin-1-yl-ethoxy)-benzoic acid 69731-93-7 C13H17NO3
    4-(2-吡咯-1-基乙基)吡啶 4-<2-(4-pyrrolyl)ethyl>pyridine 6302-13-2 C11H12N2
    4-(2-吗啉乙氧基)苯基硼酸频哪醇酯 4-(2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)ethyl)morpholine 690636-28-3 C18H28BNO4
    4-(2-吗啉-4-基乙基)苯酚 N-(4-hydroxyphenethyl)morpholine 6631-80-7 C12H17NO2
    4-(2-二甲基氨基乙胺)-1-羟基-蒽-9,10-二酮 1-<<2-(dimethylamino)ethyl>amino>-4-hydroxy-9,10-anthracenedione 69895-69-8 C18H18N2O3
    4-(2-二乙基氨基乙基)哌啶 diethyl-(2-[4]piperidyl-ethyl)-amine 64168-10-1 C11H24N2
    4-(2-二乙基氨基乙基)-吡啶 4-<2-(diethylamino)ethyl>pyridine 67580-61-4 C11H18N2
    4-(2-乙酰氨基-3-羟基-3-氧代-丙基)硫基-2-氧代-丁酸 N-acetyl-S-(3-oxo-3-carboxy-n-propyl)cysteine 622368-00-7 C9H13NO6S
    4-(2-乙酰氨基-1,3-噻唑-4-基)苯磺酰氯 4-(2-acetylamino-thiazol-4-yl)-benzenesulfonyl chloride 62263-07-4 C11H9ClN2O3S2
    4-(2-乙酰氧基-乙氧基)-3-甲氧基-苯甲醛 4-(2-acetoxy-ethoxy)-3-methoxy-benzaldehyde 692275-82-4 C12H14O5
    4-(2-乙酰氧基-乙基)苯基乙酸酯 2-(4-acetoxyphenyl)ethyl acetate 60037-42-5 C12H14O4
    4-(2-乙酰基肼基)苯甲酸 N'-acetyl-4-hydrazinobenzoic acid 6961-86-0 C9H10N2O3
    4-(2-乙氧羰基乙基)苯基硼酸 (4-(3-ethoxy-3-oxopropyl)phenyl)boronic acid 660440-57-3 C11H15BO4
    4-(2-乙氧基乙酰基)苯甲腈 α-ethoxy-p-cyanoacetophenone 60695-12-7 C11H11NO2
    4-(2-乙氧基乙氧基)苯胺 4-(2-ethoxyethoxy)aniline 65999-71-5 C10H15NO2
    4-(2-乙氧基乙氧基)苯甲酸 4-(2-Vinyloxyethoxy)benzoic acid 61241-01-8 C11H12O4
    4-(2-乙氧基-乙基)-吗啉 4-(2-ethoxy-ethyl)-morpholine 622-09-3 C8H17NO2