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    中文名称 英文名称 CAS号 化学式
    4-(2-氧代哌啶-1-基)丁酸 N-(3-carboxypropyl)-2-piperidinone 82360-26-7 C9H15NO3
    4-(2-氧代-吡咯烷-1-基)-环己烷羧酸 4-(2-oxopyrrolidin-1-yl)cyclohexanecarboxylic acid 820232-38-0 C11H17NO3
    4-(2-氧代-2,3-二氢-1H-苯并[d]咪唑-1-基)哌啶-1-羧酸叔丁酯 1,3-dihydro-1-(1-tert-butyloxycarbonylpiperidin-4-yl)-2H-benzimidazol-2-one 87120-81-8 C17H23N3O3
    4-(2-氟苯甲酰)苯基乙酸酯 4-Acetoxy-2'-fluorobenzophenone 890099-40-8 C15H11FO3
    4-(2-氟苯基氨甲酰基)苯硼酸 (4-((2-Fluorophenyl)carbamoyl)phenyl)boronic acid 874288-06-9 C13H11BFNO3
    4-(2-氟苯基)四氢吡喃-4-腈 4-(2-fluorophenyl)tetrahydropyran-4-carbonitrile 859164-45-7 C12H12FNO
    4-(2-氟苯基)-4-氧代丁酸乙酯 ethyl 4-(2-fluorophenyl)-4-oxobutanoate 898753-32-7 C12H13FO3
    4-(2-氟苯基)-4-氧代丁腈 4-(2-Fluorophenyl)-4-oxobutyronitrile 898767-30-1 C10H8FNO
    4-(2-氟乙基)苯甲酸甲酯 methyl 4-(2-fluoroethyl)benzoate 819883-83-5 C10H11FO2
    4-(2-氟乙基)联苯 4-(2-fluoroethyl)-1,1'-biphenyl 848348-08-3 C14H13F
    4-(2-氟-苯基)-哌啶-4-醇 4-(fluorophenyl)-4-hydroxypiperidine 871113-19-8 C11H14FNO
    4-(2-氟-4-硝基-苯基)-哌嗪-2-酮 4-(2-fluoro-4-nitro-phenyl)-piperazin-2-one 850369-77-6 C10H10FN3O3
    4-(2-恶唑基)苄胺 (4-(oxazol-2-yl)phenyl)methanamine 885466-67-1 C10H10N2O
    4-(2-噻唑基)甲酰氨苯基硼酸 4-(thiazol-2-ylcarbamoyl)phenylboronic acid 850568-26-2 C10H9BN2O3S
    4-(2-噻吩基)丁-3-烯-2-酮 2-thenylideneacetone 874-83-9 C8H8OS
    4-(2-噻吩-2-基乙烯基)吗啉 4-((E)-2-Thiophen-2-yl-vinyl)-morpholine 87974-99-0 C10H13NOS
    4-(2-噻吩)-2-噻唑羧酸 4-(thiophen-2-yl)thiazole-2-carboxylic acid 847956-14-3 C8H5NO2S2
    4-(2-噻吩)-2-吡咯烷酮 4-(thien-2'-yl)-azolidin-2-one 88221-12-9 C8H9NOS
    4-(2-哌啶-4-氧基嘧啶-5-基)苯甲腈 2-(piperidine-4-yloxy)-5-(4-cyanophenyl)-pyrimidine 832735-43-0 C16H16N4O
    4-(2-哌啶-4-基-1,3-噻唑-4-基)苯甲酸 4-(2-piperidin-4-yl-thiazol-4-yl)-benzoic acid 860344-62-3 C15H16N2O2S
    4-(2-咪唑-1-基乙氧基)苯酚 4-[2-(1-imidazolyl)ethoxy]phenol 80199-99-1 C11H12N2O2
    4-(2-咪唑-1-基乙基)苯酚 4-[2-(1-imidazolyl)ethyl]phenol 80200-06-2 C11H12N2O
    4-(2-呋喃基)-1,2,5,6,7,8-六氢-2-硫代-3-喹啉甲腈 4-(furan-2-yl)-2-sulfanylidene-1,2,5,6,7,8-hexahydroquinoline-3-carbonitrile 83989-90-6 C14H12N2OS
    4-(2-呋喃)-2-氧代-6-(2-噻吩)-1,2-二氢-3-吡啶甲腈 LDN-0100863 81682-91-9 C14H8N2O2S
    4-(2-吲唑-1-基乙氧基)苯酚 4-[2-(1H-indazol-1-yl)ethoxy]phenol 80200-15-3 C15H14N2O2
    4-(2-吡嗪)-2-氨基嘧啶 4-(pyrazinyl)pyrimidin-2-amine 874792-15-1 C8H7N5
    4-(2-吡啶基二硫代)-1-丁醇 4-((2-pyridyl)dithio)butan-1-ol 892402-95-8 C9H13NOS2
    4-(2-吡啶基)苯甲醛肟 4-pyridin-2-yl-benzaldehyde oxime 864263-37-6 C12H10N2O
    4-(2-吡啶基)正丁基肼盐酸盐 2-(4-Hydrazinylbutyl)pyridine 887595-17-7 C9H15N3
    4-(2-吡啶基)-N-(2,3,5,6-四甲基苯基)-1-哌嗪乙酰胺 4-(2-Pyridinyl)-N-(2,3,5,6-tetramethylphenyl)-1-piperazineacetamide 86523-71-9 C21H28N4O
    4-(2-吡啶基)-3-丁炔-2-醇 4-(2-pyridinyl)-3-butyn-2-ol 80033-09-6 C9H9NO
    4-(2-吡啶基)-1,3-二氢-2H-咪唑-2-硫酮 4-[2]pyridyl-1,3-dihydro-imidazole-2-thione 858513-34-5 C8H7N3S
    4-(2-吡啶)-1-哌嗪乙酸乙酯 ethyl 2-[4-(2-pyridyl)piperazino]acetate 86873-47-4 C13H19N3O2
    4-(2-吡唑-1-基乙氧基)苯酚 4-[2-(1-pyrazolyl)ethoxy]phenol 80199-98-0 C11H12N2O2
    4-(2-吡唑-1-基乙基)苯酚 4-[2-(1-pyrazolyl)ethyl]phenol 80200-07-3 C11H12N2O
    4-(2-吗啉基)-1H-吲哚单盐酸盐 4-(2-Morpholinyl)-1H-indole monohydrochloride 84590-62-5 C12H15ClN2O
    4-(2-吗啉乙氧基)苯甲醛 4-(2-morpholin-4-yl-ethoxy)-benzaldehyde 82625-45-4 C13H17NO3
    4-(2-吗啉-4-基-噻唑-4-基)-苯胺 4-(2-Morpholin-4-yl-thiazol-4-yl)-phenylamine 883545-59-3 C13H15N3OS
    4-(2-叠氮苯基)喹啉 4-(2-azidophenyl)quinoline 848086-06-6 C15H10N4
    4-(2-叔丁基-5-甲基吡唑-3-基)哌啶 4-[1-(1,1-dimethylethyl)-3-methyl-1H-pyrazol-5-yl]piperidine 879399-74-3 C13H23N3
    4-(2-乙酰胺乙基)苯硼酸 (4-(2-Acetamidoethyl)phenyl)boronic acid 874459-75-3 C10H14BNO3
    4-(2-乙酰基苯基)苯甲酸 2'-acetyl-biphenyl-4-carboxylic acid 893737-17-2 C15H12O3
    4-(2-乙酰基氨乙基)苯甲酸甲酯 methyl 4-(2-acetamidoethyl)benzoate 870703-69-8 C12H15NO3
    4-(2-乙氧基羰基-5-甲氧基吲哚-3-基)丁酸乙酯 ethyl 4-(2-ethoxycarbonyl-5-methoxyindol-3-yl)butanoate 83696-88-2 C18H23NO5
    4-(2-乙氧基-2-氧代亚乙基)哌啶-1-羧酸苄酯 benzyl 4-(2-ethoxy-2-oxoethylidene)piperidine-1-carboxylate 82244-11-9 C17H21NO4
    4-(2-乙氧基-2-氧代乙基)-5,6-二氢吡啶-1(2H)-羧酸叔丁酯 ethyl 1-tert.butyloxycarbonyl-1,2,3,6-tetrahydro-pyridineacetate 84839-56-5 C14H23NO4
    4-(2-乙氧基-2-氧代乙基)-1,4-哌啶二羧酸1-(1,1-二甲基乙基)4-乙酯 1-tert-Butyl 4-ethyl 4-(2-ethoxy-2-oxoethyl)piperidine-1,4-dicarboxylate 867009-56-1 C17H29NO6
    4-(2-乙基苄基)吗啉 4-(2-ethylbenzyl)morpholine 871887-29-5 C13H19NO
    4-(2-乙基己基)-4H-二噻吩并[3,2-b:2,3-d]吡咯 N-(2-ethylhexyl)-dithieno[3,2-b:2',3'-d]pyrrole 868173-44-8 C16H21NS2
    4-(2-三苯甲游基-2H-四唑-5-基)-苯酚 4-(2-Trityl-2H-tetrazol-5-YL)-phenol 885278-37-5 C26H20N4O