| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 5-十一烯-4-酮,7-乙基-2-甲基- | 7-ethyl-2-methyl-undec-5-en-4-one | 96446-43-4 | C14H26O |
| 5-十一炔 | undec-5-yne | 2294-72-6 | C11H20 |
| 5-内酯 | (3R,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-one | 13096-62-3 | C34H34O6 |
| 5-内-羧基草藻灭酸酐 | 5-endo-Carboxyendothall anhydride | 127311-90-4 | C9H8O6 |
| 5-内-(乙氧羰基)草藻灭酸酐 | 5-endo-(Ethoxycarbonyl)endothall anhydride | 127311-88-0 | C11H12O6 |
| 5-全氟己基-5'-溴-2,2'-二噻吩 | 5-bromo-5'-(tridecafluorohexyl)-2,2'-bithiophene | 327630-35-3 | C14H4BrF13S2 |
| 5-全氟己基-2,2′-联噻吩 | 5-Perfluorohexyl-2,2'-dithiophene | 327630-34-2 | C14H5F13S2 |
| 5-偶氮水杨酸 | Salicylsaeure-5-diazonium | 616-78-4 | C7H5N2O3 |
| 5-偶氮基-2-[(Z)-2-(4-偶氮基-2-磺酸-苯基)乙烯基]苯磺酸内盐 | 5-Diazonio-2-[2-(4-diazonio-2-sulfonatophenyl)ethenyl]benzenesulfonate | 57153-16-9 | C14H8N4O6S2 |
| 5-仲丁基硫代-1,3,4-噻二唑-2-硫醇 | 5-<i>sec</i>-butylsulfanyl-3<i>H</i>-[1,3,4]thiadiazole-2-thione | 19921-51-8 | C6H10N2S3 |
| 5-仲丁基-[1,3,4]噻二唑-2-胺 | 5-sec-butyl-[1,3,4]thiadiazol-2-ylamine | 62492-20-0 | C6H11N3S |
| 5-仲丁基-5-环己基巴比妥酸 | 5-<i>sec</i>-butyl-1-cyclohexyl-pyrimidine-2,4,6-trione | 841-72-5 | C14H22N2O3 |
| 5-仲丁基-3-甲基异恶唑-4-羧酸 | 5-Sec-butyl-3-methyl-isoxazole-4-carboxylic acid | 1263378-15-9 | C9H13NO3 |
| 5-仲丁基-2,3-二甲基吡嗪 | 2,3-dimethyl-5-(1-methylpropyl)-pyrazine | 32263-00-6 | C10H16N2 |
| 5-仲丁基-1,5-二甲基巴比妥酸 | 1,5-Dimethyl-5-sec-butyl-barbitursaeure | 4325-43-3 | C10H16N2O3 |
| 5-仲-丁基巴比妥酸 | 5-sec-butylbarbituric acid | 14077-79-3 | C8H12N2O3 |
| 5-仲-丁基-5-苯乙基-2-钠氧基-4,6(1H,5H)-嘧啶二酮 | Sodium;5-butan-2-yl-2,6-dioxo-5-(2-phenylethyl)pyrimidin-4-olate | 67050-56-0 | C16H19N2NaO3 |
| 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-仲-丁基-5-丙基巴比妥酸 | 5-<i>sec</i>-butyl-5-propyl-barbituric acid | 67050-59-3 | C11H18N2O3 |
| 5-仲-丁基-5-(乙硫基甲基)-2-钠硫基-4,6(1H,5H)-嘧啶二酮 | Sodium;5-butan-2-yl-5-(ethylsulfanylmethyl)-6-oxo-2-sulfanylidenepyrimidin-4-olate | 67050-34-4 | C11H17N2NaO2S2 |
| 5-仲-丁基-5-(乙硫基甲基)-2-钠氧基-4,6(1H,5H)-嘧啶二酮 | Sodium;5-butan-2-yl-5-(ethylsulfanylmethyl)-2,6-dioxopyrimidin-4-olate | 67050-32-2 | C11H17N2NaO3S |
| 5-仲-丁基-5-(丁基硫甲基)-2-钠氧基-4,6(1H,5H)-嘧啶二酮 | Sodium;5-butan-2-yl-5-(butylsulfanylmethyl)-2,6-dioxopyrimidin-4-olate | 67050-23-1 | C13H21N2NaO3S |
| 5-仲-丁基-5-(3-甲基-2-丁烯基)巴比妥酸 | 5-<i>sec</i>-butyl-5-(3-methyl-but-2-enyl)-barbituric acid | 67050-47-9 | C13H20N2O3 |
| 5-仲-丁基-5-(2-甲基-2-丙烯基)-2-钠氧基-4,6(1H,5H)-嘧啶二酮 | Sodium;5-butan-2-yl-5-(2-methylprop-2-enyl)-2,6-dioxopyrimidin-4-olate | 67050-42-4 | C12H17N2NaO3 |
| 5-仲-丁基-5-(1-甲基-2-丙烯基)-2,4,6(1H,3H,5H)-嘧啶三酮 | 5-(Butan-2-yl)-5-(but-3-en-2-yl)pyrimidine-2,4,6(1H,3H,5H)-trione | 67050-40-2 | C12H18N2O3 |
| 5-仲-丁基-3-吗啉酮 | 5(S)-[1(S)-methyl]propyl-2,3,5,6-tetrahydro-4H-1, 4-oxazin-3-one | 160141-20-8 | C8H15NO2 |
| 5-仲-丁基-2-硫代-4-咪唑烷酮 | 5-sec-butyl-2-thiohydantoin | 56830-83-2 | C7H12N2OS |
| 5-仲-丁基-2-甲基-1H-苯并咪唑 | 2-Methyl-5(6)-sec-butylbenzimidazol | 98396-30-6 | C12H16N2 |
| 5-仲-丁基-2,3-二氢-5-异丁基-2-硫代-4,6(1H,5H)-嘧啶二酮 | 5-sec-Butyl-5-isobutyl-2-thiobarbituric acid | 67050-36-6 | C12H20N2O2S |
| 5-仲-丁基-2,3-二氢-5-丙基-2-硫代-4,6(1H,5H)-嘧啶二酮 | 5-<i>sec</i>-butyl-5-propyl-2-thio-barbituric acid | 67050-60-6 | C11H18N2O2S |
| 5-仲-丁基-1,3-二甲基-2,4,6(1H,3H,5H)-嘧啶三酮 | 5-<i>sec</i>-butyl-1,3-dimethyl-barbituric acid | 7391-63-1 | C10H16N2O3 |
| 5-仲-丁基-1,3-二环己基-2,4,6(1H,3H,5H)-嘧啶三酮 | 5-<i>sec</i>-butyl-1,3-dicyclohexyl-pyrimidine-2,4,6-trione | 745-31-3 | C20H32N2O3 |
| 5-亚苄基呋喃-2(5H)-酮 | γ-Benzyliden-Δ<sup>α,β</sup>-butenolid | 13327-36-1 | C11H8O2 |
| 5-亚苄基-3-乙基绕丹宁 | 5-benzylidene-3-ethyl rhodanine | 18331-34-5 | C12H11NOS2 |
| 5-亚苄基-2,2-二甲基-1,3-二恶烷-4,6-二酮 | 5-benzylidene Meldrum's acid | 1214-54-6 | C13H12O4 |
| 5-亚肉桂花基<苯亚烯基>-2-(苯亚氨基)-3-(1-吡咯烷基甲基)-4-噻唑烷酮 | 5-Cinnamylidene-2-(phenylimino)-3-(1-pyrrolidinylmethyl)-4-thiazolidinone | 104123-93-5 | C23H23N3OS |
| 5-亚硝基-水杨酸酯 | 1-nitroso-4-hydroxy-benzene-3-carboxylic acid | 15516-60-6 | C7H5NO4 |
| 5-亚硝基-8-羟基喹啉盐酸盐 | 8-hydroxy-5-nitrosoquinoline hydrochloride | 63450-86-2 | C9H6N2O2*ClH |
| 5-亚硝基-8-羟基喹啉 | 5-nitroso-8-hydroxyquinoline | 3565-26-2 | C9H6N2O2 |
| 5-亚硝基-6-氨基-3-乙基-1,3-二氢嘧啶-2,4-二酮 | 5-nitroso-6-amino-3-ethyl-1,3-dihydropyrimidine-2,4-dione | 1019659-02-9 | C6H8N4O3 |
| 5-亚硝基-6-(苯基甲氧基)-2,4-嘧啶二胺 | 2,4-diamino-6-(benzyloxy)-5-nitrosopyrimidine | 101724-61-2 | C11H11N5O2 |
| 5-亚硝基-6-(哌啶-1-基)嘧啶-2,4-二胺 | 2,4-Diamino-5-nitroso-6-piperidino-pyrimidin | 18202-48-7 | C9H14N6O |
| 5-亚硝基-4,6-嘧啶二胺 | 5-nitrosopyrimidine-4,6-diamine | 61908-15-4 | C4H5N5O |
| 5-亚硝基-2-苯基嘧啶-4,6-二胺 | 4,6-diamino-5-nitroso-2-phenylpyrimidine | 56472-04-9 | C10H9N5O |
| 5-亚硝基-2,4,6-三羟基嘧啶 | 5-Nitroso-1,3-diazinane-2,4,6-trione | 43109-88-2 | C4H3N3O4 |
| 5-亚硝基-2,4,6-三氨基嘧啶 | 5-nitroso-2,4,6-triaminopyrimidine | 1006-23-1 | C4H6N6O |
| 5-亚砷酰-2-甲氧基-苯胺 | 5-Arsenoso-o-anisidine | 5440-12-0 | C7H8AsNO2 |
| 5-亚甲基螺[2.4]庚烷 | 5-Methylenspiro<2.4>heptan | 37745-07-6 | C8H12 |
| 5-亚甲基环庚烯 | 5-Methylencyclohepten | 32833-10-6 | C8H12 |
| 5-亚甲基戊a癸烷 | 5-Methylidenepentadecane | 115146-98-0 | C16H32 |