| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 5-叔丁基-3-甲基-4H-1,2-恶唑-5-醇 | 5-<i>tert</i>-butyl-3-methyl-4,5-dihydro-isoxazol-5-ol | 53009-15-7 | C8H15NO2 |
| 5-叔丁基-2-甲基-1H-吡唑-3-酮 | 3-(1,1-Dimethylethyl)-1-methyl-1H-pyrazol-5-ol | 66699-81-8 | C8H14N2O |
| 5-叔丁基-2-环庚基-2,4-二氢-吡唑-3-酮 | 5-Tert-butyl-2-cycloheptyl-2,4-dihydropyrazol-3-one | 864685-47-2 | C14H24N2O |
| 5-叔丁基-2-(3-甲基-丁基)-2,4-二氢-吡唑-3-酮 | 3-tert-Butyl-1-isopentyl-1H-pyrazol-5(4H)-one | 864685-45-0 | C12H22N2O |
| 5-叔丁基-2-(1-甲基-己基)-2,4-二氢-吡唑-3-酮 | 5-tert-Butyl-2-(1-methyl-hexyl)-2,4-dihydro-pyrazol-3-one | 864685-48-3 | C14H26N2O |
| 5-亚乙基-2-亚氨基-4-噻唑烷酮 | 5-ethylidene-2-imino-4-thiazolidinone | 76241-96-8 | C5H6N2OS |
| 5-乙酰氧基-1-甲基咪唑烷-2,4-二酮 | 5-acetoxy-1-methylimidazolidine-2,4-dione | 122641-44-5 | C6H8N2O4 |
| 5-乙烯基-4,5-二氢-1,2-恶唑-3-甲酰胺 | 5-Vinyl-4,5-dihydro-isoxazole-3-carboxylic acid amide | 89532-69-4 | C6H8N2O2 |
| 5-乙氧基-4,5-二氢异噁唑-3-羧酸乙酯 | ethyl 5-ethoxy-4,5-dihydroisoxazole-3-carboxylate | 90088-46-3 | C8H13NO4 |
| 5-乙氧基-4,5-二氢异噁唑-3-甲腈 | 5-ethoxy-4,5-dihydroisoxazole-3-carbonitrile | 1201794-84-4 | C6H8N2O2 |
| 5-乙氧基-3-[(5-甲基-2-呋喃基)甲基]-4,5-二氢-1,2-恶唑 | 5-Ethoxy-3-((5-methylfuran-2-yl)methyl)-4,5-dihydroisoxazole | 136354-52-4 | C11H15NO3 |
| 5-乙基-4-甲基-4,5-二氢-1H-吡唑-1-甲酰氯 | 5-Ethyl-4-methyl-4,5-dihydro-1H-pyrazole-1-carbonyl chloride | 89662-72-6 | C7H11ClN2O |
| 5-乙基-2-苯基-1,2-二氢-吡唑-3-酮 | 3-ethyl-1-phenyl-1H-pyrazol-5(4H)-one | 92753-34-9 | C11H12N2O |
| 5-乙基-2-肼基-1,3-噻唑-4-酮 | 5-Aethyl-2-hydrazino-1,3-Δ<sup>2</sup>-thiazolin-4-on | 32003-22-8 | C5H9N3OS |
| 5-乙基-2-甲基-4,5-二氢-噻唑 | 2-Methyl-5-ethyl-Δ2-thiazolin | 4293-62-3 | C6H11NS |
| 5-乙基-2,2-二甲基-5H-1,3-噻唑 | 5-Ethyl-2,2-dimethyl-2,5-dihydro-thiazole | 108284-84-0 | C7H13NS |
| 5-乙基-1H-吡唑-3-醇 | 3-ethyl-2-pyrazolin-5-one | 35087-28-6 | C5H8N2O |
| 5-乙基-1,2-二氢吡唑-3-酮 | 3-ethyl-3-pyrazolin-5-one | 110475-21-3 | C5H8N2O |
| 5-(羟甲基)-3-(叔丁氧羰基)咪唑啉 | 5-(hydroxymethyl)-3-(t-butyloxycarbonyl)imidazoline | 652128-56-8 | C9H16N2O3 |
| 5-(溴甲基)-4,5-二氢-1,3-噻唑-2-胺 | 5-bromomethyl-4,5-dihydro-thiazol-2-ylamine | 67917-68-4 | C4H7BrN2S |
| 5-(溴甲基)-3-乙基-4,5-二氢-1,2-恶唑 | 5-(Bromomethyl)-3-ethyl-4,5-dihydroisoxazole | 938458-87-8 | C6H10BrNO |
| 5-(二氟甲基)-2-甲基-3,4-二氢吡唑-4-羧酸 | 3-(difluoromethyl)-1-methyl-4,5-dihydro-1H-pyrazole-4-carboxylic acid | 921213-76-5 | C6H8F2N2O2 |
| 5-(二氟甲基)-1-甲基-1H-吡唑-3-醇 | 5-(Difluoromethyl)-1-methyl-1H-pyrazol-3-ol | 121303-75-1 | C5H6F2N2O |
| 5-(三氟甲基)-2H-1,3,4-噻二唑-3-碳酰肼 | 5-Trifluormethyl-2,3-dihydro-1,3,4-thiadiazol-3-carbohydrazid | 88976-79-8 | C4H5F3N4OS |
| 5-(2-呋喃基)-4,5-二氢-3-甲基-1H-吡唑 | 3-Methyl-5-<furyl-(2)>-pyrazolin | 13599-33-2 | C8H10N2O |
| 5-(2-呋喃基)-3-甲基-4,5-二氢-1H-吡唑-1-二硫代甲酸 | 5-[2]furyl-3-methyl-4,5-dihydro-pyrazole-1-carbodithioic acid | 807270-86-6 | C9H10N2OS2 |
| 5-(2,2-二甲基亚丙基)-1,4-二甲基四唑 | 1,4-Dihydro-1,4-dimethyl-5-(2,2-dimethylpropyliden)-5H-tetrazol | 54986-16-2 | C8H16N4 |
| 5-(1,1,1,3,3,3-六氟-2-羟基丙烷-2-基)-4,5-二氢异噁唑-3-羧酸 | 5-[2,2,2-trifluoro-1-hydroxy-1-(trifluoromethyl)ethyl]-4,5-dihydroisoxazole-3-carboxylic acid | 444342-51-2 | C7H5F6NO4 |
| 5,6-二氢-4H-咪唑[1,2-d]四唑 | 5,6-dihydro-7H-imidazolo<1,2-d>tetrazole | 6624-43-7 | C3H5N5 |
| 5,6,7,7alpha-四氢螺[苯并噻唑-2(4H),1'-环己烷] | 2.2-Pentamethylen-4.5-tetramethylen-thiazolin-Δ<sup>3</sup> | 6675-28-1 | C12H19NS |
| 5,5-二甲基-4-[(2-甲基-2-丙基)氨基]-1,3-恶唑-2(5H)-酮 | 4-(tert-Butylimino)-5,5-dimethyloxazolidin-2-on | 77626-29-0 | C9H16N2O2 |
| 5,5-二甲基-4,5-二氢-1H-吡唑 | 5,5-dimethyl-4,5-dihydro-1<i>H</i>-pyrazole | 4320-85-8 | C5H10N2 |
| 5,5-二甲基-2-噻唑啉-2-氨基甲酸乙酯 | Ethyl 5,5-dimethyl-4,5-dihydro-1,3-thiazol-2-ylcarbamate | 21018-32-6 | C8H14N2O2S |
| 5,5-二异丙基-4,5-二氢-1,2,3-噻二唑 | 5,5-diisopropyl-4,5-dihydro-1,2,3-thiadiazole | 127934-61-6 | C8H16N2S |
| 5,5-二乙基-2-氨基-噻唑-4-酮 | 5,5-diethyl-2-amino-thiazol-4-one | 98336-83-5 | C7H12N2OS |
| 4alpha-甲基-4A,5,6,7,8,9-六氢环庚并[E][1,3,4]恶二嗪-3(2H)-酮 | 5,6-Pentamethylen-6-methyl-Δ<sup>4</sup>-dihydro-1,3,4-oxadiazin-2-on | 19836-53-4 | C9H14N2O2 |
| 4H-[1,3]恶唑并[3,2-a][1,2]恶唑并[4,5-E]吡啶 | 4H-[1,3]Oxazolo[3,2-a][1,2]oxazolo[4,5-e]pyridine | 129709-18-8 | C8H6N2O2 |
| 4H-1,3-噁嗪,5,6-二氢-5-碘-4-(甲氧基甲基)-2-(三氯甲基)-,反- | trans-5-iodo-4-(methoxymethyl)-2-(trichloromethyl)-4,5-dihydro-1,3-oxazine | 104808-67-5 | C7H9Cl3INO2 |
| 4H-1,2-恶唑-5-酮 | Isoxazolon-(5) | 1072-48-6 | C3H3NO2 |
| 4-辛基-3-苯基异恶唑啉-5-酮 | 4-octyl-3-phenylisoxazoline-5-one | 80490-34-2 | C17H23NO2 |
| 4-苯基-1,2-恶唑-5(4H)-酮 | 4-Phenyl-isoxazolin-5-on | 16864-15-6 | C9H7NO2 |
| 4-苄基-5-甲基-2-苯基-4H-吡唑-3-酮 | 4-Benzyl-3-methyl-1-phenyl-pyrazol-5-on | 40040-65-1 | C17H16N2O |
| 4-苄基-5-甲基-1,2-二氢吡唑-3-酮 | 4-benzyl-3-methylpyrazolin-5-one | 112701-03-8 | C11H12N2O |
| 4-苄基-5-乙基-1,3-二氢-2H-咪唑-2-硫酮 | 4-benzyl-5-ethyl-1,3-dihydroimidazole-2-thione | 472996-16-0 | C12H14N2S |
| 4-苄基-1,3-二氢咪唑-2-硫酮 | 4-benzyl-1,3-dihydro-imidazole-2-thione | 93103-22-1 | C10H10N2S |
| 4-肼基-5H-1,3-噻唑-2-酮 | thiazolidine-2,4-dione 4-hydrazone | 34794-85-9 | C3H5N3OS |
| 4-羟基亚胺-2-噻唑烷酮 | thiazolidine-2,4-dione 4-oxime | 19387-59-8 | C3H4N2O2S |
| 4-羟基-4-异丁基-3-苯基异恶唑啉-5-酮 | 4-hydroxy-4-isobutyl-3-phenylisoxazoline-5-one | 80490-45-5 | C13H15NO3 |
| 4-羟基-2-甲基-4-三氟甲基-2-噻唑啉 | 4-Hydroxy-2-methyl-4-trifluoromethyl-2-thiazoline | 137953-58-3 | C5H6F3NOS |
| 4-硝基-1H-咪唑钠盐 | Sodium 4-nitro-2,3-dihydroimidazol-1-ide | 58031-81-5 | C3H4N3NaO2 |