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    中文名称 英文名称 CAS号 化学式
    5-十一炔 undec-5-yne 2294-72-6 C11H20
    5-仲-丁基-5-乙基-1-甲基-2-硫代-2,3-二氢嘧啶-4,6(1H,5H)-二酮 5-sec-Butyl-5-ethyl-1-methyl-2-thio-barbituric acid 29639-65-4 C11H18N2O2S
    5-亚烯丙基-10,11-二氢-5H-二苯并[a,d]环庚烯 5-(2-propenylidene)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene 24755-73-5 C18H16
    5-亚丙基呋喃-2(5H)-酮 γ-Propyliden-Δ<sup>α,β</sup>-butenoliden 21053-66-7 C7H8O2
    5-二苯并环庚烯酮 dibenzosuberenon 2222-33-5 C15H10O
    5-二甲氨基甲基-2-甲基-嘧啶-4-基胺 5-dimethylaminomethyl-2-methyl-pyrimidin-4-ylamine 23132-64-1 C8H14N4
    5-二甲氨基烟酸甲酯 5-(dimethylamino)pyridine-3-carboxylic acid methyl ester 29898-23-5 C9H12N2O2
    5-二甲氨基戊胺 4-(N,N-diethylamino)-1-butanol 2683-56-9 C8H19NO
    5-二甲氨基-戊酸盐酸盐 5-(dimethylamino)pentanoic acid hydrochloride 25726-28-7 C7H15NO2*ClH
    5-二甲氨基-1,3-二甲基-1H-吡唑-4-甲醛 5-dimethylamino-1,3-dimethyl-1<i>H</i>-pyrazole-4-carbaldehyde 26990-64-7 C8H13N3O
    5-二甲基胺-2-甲基-3-戊炔-2-醇 1-dimethylamino-4-methyl-2-pentyn-4-ol 25400-83-3 C8H15NO
    5-二甲基氨基-2-羟基-3-甲氧基苯甲醛 5-(dimethylamino)-2-hydroxy-3-methoxybenzaldehyde 262614-68-6 C10H13NO3
    5-二甲基氨基-2-硝基苯胺 5-(dimethylamino)-2-nitroaniline 20691-71-8 C8H11N3O2
    5-二环[2.2.1]庚-2-烯基甲基丁酸酯 5-Norbornen-2-methylbutyrat 21934-46-3 C12H18O2
    5-二异丙基氨基戊基胺 5-(diisopropylamino)amylamine 209803-40-7 C11H26N2
    5-二乙氨基戊醇 5-(N,N-diethylamino)pentanol 2683-57-0 C9H21NO
    5-二乙氨基-2-亚硝基苯酚盐酸盐 5-diethylamino-2-nitrosophenol hydrochloride 25953-06-4 C10H14N2O2*ClH
    5-乙酰氨甲基-4-氨基-2-甲基嘧啶 <i>N</i>-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-acetamide 23676-63-3 C8H12N4O
    5-乙酰氨基苯酞 5-acetamido-phthalide 207683-94-1 C10H9NO3
    5-乙酰氨基异喹啉 N-(isoquinolin-5-yl)acetamide 27461-33-2 C11H10N2O
    5-乙酰氨基-4-氰基-3-甲基-2-噻吩甲酸乙酯 5-Acetamino-4-cyan-3-methyl-thiophen-2-carbonsaeure-ethylester 23903-49-3 C11H12N2O3S
    5-乙酰氨基-2-溴砒啶 5-acetamido-2-bromopyridine 29958-19-8 C7H7BrN2O
    5-乙酰氨基-2-溴-苯甲酸 5-acetylamino-2-bromobenzoic acid 22921-67-1 C9H8BrNO3
    5-乙酰氨基-2-氯苯酚 N-(4-chloro-3-hydroxyphenyl)acetamide 28443-52-9 C8H8ClNO2
    5-乙酰氧基-7-甲氧基黄酮 5-Acetoxy-7-methoxy-flavon 23296-91-5 C18H14O5
    5-乙酰氧基-2-甲基吲哚-3-羧酸乙酯 ethyl 5-acetyloxy-2-methyl-1H-indole-3-carboxylate 20862-91-3 C14H15NO4
    5-乙酰氧基-2,3,3a,4,5,8,9,11alpha-八氢-4-(2-羟基-2-甲基-1,3-二氧代丁氧基)-10-甲基-3-亚甲基-2-氧代环癸[b]呋喃-6-羧酸甲酯 methyl (6E,10E)-5-acetyloxy-4-(2-hydroxy-2-methyl-3-oxobutanoyl)oxy-10-methyl-3-methylidene-2-oxo-3a,4,5,8,9,11a-hexahydrocyclodeca[b]furan-6-carboxylate 24728-11-8 C23H28O10
    5-乙酰氧基-1,1,1,3-四氯己烷 5-Acetoxy-1,1,1,3-tetrachlorhexan 2833-12-7 C8H12Cl4O2
    5-乙酰基腺苷酸 [5-(6-Aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl acetate 2140-25-2 C12H15N5O5
    5-乙酰基硫代甲基-3-羟基-2-甲基-4-吡啶甲醇 α<sup>5</sup>-S-Acetyl-pyridoxthiol 21907-94-8 C10H13NO3S
    5-乙酰基二氢-2-羟基-2,5-二甲基呋喃-3(2H)-酮 5-acetyl-2-hydroxy-2,5-dimethyl-dihydro-furan-3-one 29549-78-8 C8H12O4
    5-乙酰基二氢-2(3H)-呋喃酮 γ-acetyl-γ-butyrolactone 29393-32-6 C6H8O3
    5-乙酰基-8-苄氧基喹啉 1-(8-benzyloxyquinolin-5-yl)ethanone 26872-48-0 C18H15NO2
    5-乙酰基-6-甲基嘧啶-2,4(1H,3H)-二酮 6-methyl-5-acetyl-2,4(1H,3H)-pyrimidinedione 22293-60-3 C7H8N2O3
    5-乙酰基-6-甲基-4-苯基-3,4-二氢-1H-嘧啶-2-酮 5-acetyl-6-methyl-4-phenyl-3,4-dihydropyrimidin-2(1H)-one 25652-50-0 C13H14N2O2
    5-乙酰基-5,11-二氢-10H-二苯并[b,f]氮杂卓-10-酮 5-acetyl-10-oxo-10,11-dihydro-5H-dibenz<b,f>azepine 28291-63-6 C16H13NO2
    5-乙酰基-4-茚醇 1-(4-hydroxy-2,3-dihydro-1H-inden-5-yl)ethanone 28179-02-4 C11H12O2
    5-乙酰基-4-氨基-2-苯基噻吩-3-甲腈 4-Amino-5-acetyl-2-phenyl-thiophen-3-carbonitril 21762-91-4 C13H10N2OS
    5-乙酰基-2-苯胺基-4-羟基苯甲酸甲酯 methyl 5-acetyl-4-hydroxy-2-phenylaminobenzoate 250644-93-0 C16H15NO4
    5-乙酰基-2-硝基苯甲腈 5-Acetyl-2-nitrobenzonitrile 223726-10-1 C9H6N2O3
    5-乙酰基-2-甲氧基吡啶 1-(6-methoxypyridin-3-yl)ethanone 213193-32-9 C8H9NO2
    5-乙酰基-2-氰基吡啶 5-acetyl-2-pyridinecarbonitrile 249583-84-4 C8H6N2O
    5-乙酰基-2-噻吩硼酸 (5-acetylthiophen-2-yl)boronic acid 206551-43-1 C6H7BO3S
    5-乙酰基-2-二甲氧基甲基-6-甲基-4-(5-硝基呋喃-2-基)-1,4-二氢吡啶-3-羧酸甲酯 methyl 5-acetyl-2-dimethoxymethyl-6-methyl-4-(5-nitrofuran-2-yl)-1,4-dihydropyridine-3-carboxylate 212771-68-1 C17H20N2O8
    5-乙酰基-2-乙氧基苯甲酸乙酯 ethyl 5-acetyl-2-ethoxybenzoate 216143-90-7 C13H16O4
    5-乙酰基-2-(吡唑-1-基)吡啶 5-acetyl-2-(pyrazole-1-yl)pyridine 265107-85-5 C10H9N3O
    5-乙酰基-2,6-二甲基嘧啶-4(3H)-酮 5-acetyl-2,6-dimethyl-4-(3H)pyrimidone 24392-26-5 C8H10N2O2
    5-乙酰基-1-甲基苯并咪唑 1-(1-methyl-1H-benzo[d]imidazol-5-yl)ethan-1-one 265107-91-3 C10H10N2O
    5-乙酰基-1,4-二氢-2,6-二甲基-4-(4-硝基苯基)吡啶-3-羧酸 5-acetyl-1,4-dihydro-2,6-dimethyl-4-(4-nitrophenyl)pyridine-3-carboxylic acid 219553-55-6 C16H16N2O5
    5-乙烯基-4-[4-氟-2-(苯基甲氧基)苯基]-2,6-双(1-甲基乙烯基)-3-吡啶甲醛 4-(2-Benzyloxy-4-fluoro-phenyl)-2,6-diisopropyl-5-vinyl-pyridine-3-carbaldehyde 202858-60-4 C27H28FNO2