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    中文名称 英文名称 CAS号 化学式
    5-(二氯乙酰基)-2-环戊烯-1-酮 5-(2,2-dichloroacetyl)cyclopent-2-enone 76430-32-5 C7H6Cl2O2
    5-(乙酰氨基)-3-氨基-2-甲氧基-苯磺酸 Benzenesulfonic acid, 5-(acetylamino)-3-amino-2-methoxy- 70900-30-0 C9H12N2O5S
    5-(乙酰氨基)-2-糠酸 5-acetylaminofuran-2-carboxylic acid 772-69-0 C7H7NO4
    5-(乙酰氨基)-2-甲氧基-4-硝基苯甲酸甲酯 Methyl 5-(acetylamino)-2-methoxy-4-nitrobenzoate 79893-20-2 C11H12N2O6
    5-(乙酰氧基)-5-甲基-2(5H)-呋喃酮 5-(acetyloxy)-5-methyl-2(5H)-furanone 74982-59-5 C7H8O4
    5-(乙酰基氨基)-2-氯苯甲酸 5-acetylamino-2-chloro-benzoic acid 719282-11-8 C9H8ClNO3
    5-(乙酰基氧基)-4-(2-甲氧基-2-氧代乙基)-2-甲基-1H-吡咯-3-羧酸甲酯 2-Acetoxy-4-methoxycarbonyl-5-methyl-3-pyrrolessigsaeure-methylester 77978-85-9 C12H15NO6
    5-(乙氧基甲基)吡啶-2-胺 5-(Ethoxymethyl)pyridin-2-amine 782431-91-8 C8H12N2O
    5-(乙氧基-丙基硫基硫代膦酰)氧基-4-甲氧基-2-甲基哒嗪-3-酮 O-ethyl-S-propyl-O-(1-methyl-5-methoxy-6-oxo-1H-pyridazine-4-yl)-phoshorodithioate 76269-65-3 C11H19N2O4PS2
    5-(乙基磺酰基)-4-硝基-O-茴香酸 5-(ethylsulfonyl)-2-methoxy-4-nitrobenzoic acid 79893-22-4 C10H11NO7S
    5-(乙基氨基)-6-甲基-2,3-吡嗪二甲腈 5-ethylamino-6-methyl-pyrazine-2,3-dicarbonitrile 72112-35-7 C9H9N5
    5-(乙基巯基甲基)-5-甲基-4,6-二氧代-1H-嘧啶-2-醇钠 Sodium;5-(ethylsulfanylmethyl)-5-methyl-2,6-dioxopyrimidin-4-olate 73681-06-8 C8H11N2NaO3S
    5-(乙基巯基甲基)-5-丙基嘧啶-3H-2,4,6-三酮钠 Sodium;5-(ethylsulfanylmethyl)-2,6-dioxo-5-propylpyrimidin-4-olate 73681-07-9 C10H15N2NaO3S
    5-(乙基巯基甲基)-5-丙-2-基嘧啶-3H-2,4,6-三酮钠 Sodium;5-(ethylsulfanylmethyl)-2,6-dioxo-5-propan-2-ylpyrimidin-4-olate 73681-05-7 C10H15N2NaO3S
    5-(乙基-(2-羟基乙基)氨基)戊烷-2-酮 5-(N-ethyl-N-2-hydroxyethylamine)-2-pentanone 74509-79-8 C9H19NO2
    5-(丙酰氨基)吡啶-2-羧酸 5-Propionylaminopyridin-2-carbonsaeure 75903-35-4 C9H10N2O3
    5-(三硝基甲基)四唑 methyl 4-oxopyrano[3,2-b][1]benzofuran-2-carboxylate 75393-29-2 C13H8O5
    5-(三甲基硅烷基)-2-噻吩甲腈 2-cyano-5-trimethylsilylthiophene 77998-64-2 C8H11NSSi
    5-(三氟甲基)异恶唑-4-甲酰氯 5-trifluoromethylisoxazole-4-carbonyl chloride 75706-01-3 C5HClF3NO2
    5-(三氟甲基)吡喃-2-酮 5-(trifluoromethyl)-2H-pyran-2-one 76905-69-6 C6H3F3O2
    5-(三氟甲基)-1H-吡咯并[2,3-B]吡啶-2-羧酸 5-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid 784144-05-4 C9H5F3N2O2
    5-(三氟甲基)-1-苯并呋喃 5-(trifluoromethyl)benzofuran 741290-20-0 C9H5F3O
    5-(三氟甲基)-1,3-噁唑-2-胺 5-(trifluoromethyl)oxazol-2-amine 714972-00-6 C4H3F3N2O
    5-(三氟甲基)-1,3,4-噁二唑-2-胺 5-(trifluoromethyl)-1,3,4-oxadiazol-2-amine 768-29-6 C3H2F3N3O
    5-(丁基磺酰基)-1,3,4-噻二唑-2-胺 5-(Butylsulfonyl)-1,3,4-thiadiazol-2-amine 72836-17-0 C6H11N3O2S2
    5-(O-甲苯基偶氮)甲苯-2,4-二胺 2'-Methyl-2,4-diamino-5-methylazobenzene 7467-29-0 C14H16N4
    5-(N-叔丁氧羰基氨基)-1-戊醇 5-(tert-butoxycarbonyl)amino-1-pentanol 75178-90-4 C10H21NO3
    5-(8-氨基-7-氯-2,3-二氢-1,4-苯并二恶烷-5-基)-3-[1-(2-苯基乙基)哌啶-4-基]-1,3,4-噁二唑-2(3H)-酮 Capeserod 769901-96-4 C23H25ClN4O4
    5-(6-羟基-2,5,7,8-四甲基色满-2-基)-2-甲基戊酸甲酯 (+/-)-5-(6-hydroxy-2,5,7,8-tetramethyl-chroman-2-yl)-2-methyl-pentanoic acid methyl ester 7047-69-0 C20H30O4
    5-(6-羟基-2,5,7,8-四甲基色满-2-基)-2-甲基戊酸 (+/-)-5-(6-hydroxy-2,5,7,8-tetramethyl-chroman-2-yl)-2-methyl-pentanoic acid 7083-09-2 C19H28O4
    5-(6-甲基吡啶-2-基)-6-吡啶-2-基-2,3-二氢吡嗪 5-(6-Methyl-pyridin-2-yl)-6-pyridin-2-yl-2,3-dihydro-pyrazine 76348-00-0 C15H14N4
    5-(5-硝基-2-呋喃基)-1,3,4-噻二唑-2-基胺 2-amino-5-(5-nitro-2-furyl)-1,3,4-thiadiazole 712-68-5 C6H4N4O3S
    5-(5-甲酰基-噻吩-2-基)-戊酸甲酯 5-(5-Formyl-[2]thienyl)-valeriansaeure-methylester 78845-71-3 C11H14O3S
    5-(5-甲基呋喃-2-基)-4,6,11-三氧杂-1-氮杂-5-硅杂双环[3.3.3]十一烷 1-(5-methyl-2-furyl)silatrane 72517-61-4 C11H17NO4Si
    5-(5-甲基-1,2-恶唑-3-基)-1,3,4-恶二唑-2-胺 5-(5-Methyl-1,2-oxazol-3-yl)-1,3,4-oxadiazol-2-amine 725698-89-5 C6H6N4O2
    5-(5-氯噻吩-2-基)-[1,3,4]噻二唑-2-胺 5-(5-Chloro-thiophen-2-yl)-[1,3,4]thiadiazol-2-ylamine 70057-76-0 C6H4ClN3S2
    5-(5-氯-2,4-二羟基苯基)-N-乙基-4-(4-甲氧基苯基)异噁唑-3-羧酰胺 VER 50589 747413-08-7 C19H17ClN2O5
    5-(5-异丙氧基吡啶-3-基)-N-甲基-4(E)-戊烯-2(S)-胺 5-isopropenyl-6-methoxymethoxy-2-methyl-cyclohex-2-enone 785786-55-2 C12H18O3
    5-(5-己烯-2-基)-3,3-二甲基环己酮 3,3-Dimethyl-5-(1-methyl-pent-4-enyl)-cyclohexanone 776295-11-5 C14H24O
    5-(5,5,5-三氟戊氧基)吡啶-2-羧酸 5-(5,5,5-trifluoropentyloxy)picolinic acid 72133-44-9 C11H12F3NO3
    5-(4-苄氧基苯基)-1H-吡唑-3-羧酸 3-(4-phenylmethoxyphenyl)-1H-pyrazole-5-carboxylic acid 795260-68-3 C17H14N2O3
    5-(4-羟基苯基)-5-噻吩-2-基咪唑烷-2,4-二酮 5-(4-hydroxyphenyl)-5-(thien-2-yl)hydantoin 74697-32-8 C13H10N2O3S
    5-(4-羟基苯基)-2-糠酸 5-(4-hydroxyphenyl)furan-2-carboxylic acid 793684-81-8 C11H8O4
    5-(4-羟基苯基)-2-[4-(壬氧基)-苯基]-嘧啶 2,2-Bis((3-(octylthio)-1-oxopropoxy)methyl)propane-1,3-diyl bis(3-(octylthio)propionate) 70942-42-6 C49H92O8S4
    5-(4-羟基苄基)噻唑烷-2,4-二酮 5-(4-hydroxybenzyl)-2,4-thiazolidinedione 74772-78-4 C10H9NO3S
    5-(4-羟基-3-甲氧基苄基)-4-(羟甲基)-2-甲氧基苯酚 5-(4-hydroxy-3-methoxybenzyl)-4-(hydroxymethyl)-2-methoxyphenol 74494-58-9 C16H18O5
    5-(4-硝基苯基)磺酰基呋喃-2-甲腈 5-<(4-nitrophenyl)sulphonyl>-2-furancarbonitrile 75745-64-1 C11H6N2O5S
    5-(4-硝基苯基)噁唑-4-羧酸乙酯 5-(4-nitrophenyl)oxazole-4-carboxylic acid ethyl ester 72030-87-6 C12H10N2O5
    5-(4-甲氧基苯基)磺酰基呋喃-2-甲腈 5-<(4-methoxyphenyl)sulphonyl>-2-furancarbonitrile 75745-63-0 C12H9NO4S
    5-(4-甲氧基苯基)戊酸 5-(4-methoxyphenyl)pentanoic acid 7508-04-5 C12H16O3