| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4-溴-1,8-奈酐 | [(E)-(4-hexyl-2,5-dioxoimidazolidin-4-yl)methylideneamino]thiourea | 6974-23-8 | C11H19N5O2S |
| 4-氯亚苄基海因 | (Z)-5-(4-chlorobenzylidene)imidazolidine-2,4-dione | 10040-86-5 | C10H7ClN2O2 |
| 4-氯-3-[4-[(2,5-二氯苯基)偶氮]-4,5-二氢-3-甲基-5-羰基-1H-吡唑-1-基]苯磺基酸 | 6,7-Dihydro-1H-5,8-methanocyclobuta[d][1,2,4]triazolo[1,2-a]pyridazine | 87683-31-6 | C9H9N3 |
| 4-氨基-5,5-二甲基-2-苯基-2,5-二氢-1H-咪唑-1-醇3-氧化物 | 4-Amino-1-hydroxy-5,5-dimethyl-2-phenyl-2,5-dihydro-1h-imidazol-3-ium-3-olate | 257932-10-8 | C11H15N3O2 |
| 4-氨基-(4H)-1,2,4-噻唑-3,5-二醇 | 4-aminourazole | 21531-96-4 | C2H4N4O2 |
| 4-氧代尼立达唑 | 1-(5-Nitro-thiazol-2-yl)-2,4-dioxo-imidazolidine | 7039-09-0 | C6H4N4O4S |
| 4-氧代-3-苯基-2-硫酮咪唑烷-1-乙酸 | (4-oxo-3-phenyl-2-thioxo-imidazolidin-1-yl)-acetic acid | 62609-86-3 | C11H10N2O3S |
| 4-氧代-2-硫酮噻唑烷-3-羧酸甲酯 | 4-oxo-2-thioxo-thiazolidine-3-carboxylic acid methyl ester | 67952-25-4 | C5H5NO3S2 |
| 4-氧代-2-硫酮噻唑烷-3-乙烷磺酸钾 | Kalium-2-(rhodanin-3-yl)ethansulfonat | 61681-02-5 | C5H6NO4S3*K |
| 4-异丙基-3-甲基丙烯酰-5,5-二甲基-1,3-恶唑烷-2-酮 | (S)-3-(2'-methylacryloyl)-4-iso-propyl-5,5-dimethyloxazolidin-2-one | 827026-67-5 | C12H19NO3 |
| 4-异丙基-3-甲基-1,3-噻唑烷-2-硫酮 | 4-isopropyl-3-methyl-thiazolidine-2-thione | 42163-76-8 | C7H13NS2 |
| 4-异丙基-2-氧代-1,3-恶唑烷-3-甲醛 | 2-Oxo-4-(propan-2-yl)-1,3-oxazolidine-3-carbaldehyde | 763141-39-5 | C7H11NO3 |
| 4-异丁基-4-甲基-咪唑烷-2-酮 | 4-isobutyl-4-methyl-imidazolidin-2-one | 102872-60-6 | C8H16N2O |
| 4-异丁基-4-甲基-5-硫代-咪唑烷-2-酮 | 4-isobutyl-4-methyl-5-thioxo-imidazolidin-2-one | 102539-40-2 | C8H14N2OS |
| 4-噻唑烷酮,3-苯基-5-(1H-吡咯-2-基亚甲基)-2-硫代- | 3-phenyl-5-(1H-pyrrol-2-ylmethylidene)-2-sulfanylidene-1,3-thiazolidin-4-one | 151502-10-2 | C14H10N2OS2 |
| 4-噻唑烷酮,3-(二甲氨基)-5-(苯基亚甲基)-2-硫代- | 5-Benzyliden-3-dimethylamino-2-thioxo-thiazolidin-4-on | 112768-92-0 | C12H12N2OS2 |
| 4-咪唑烷酮,3-(5-氯-2-甲基苯基)-1-乙基-2-硫代- | 3-(5-chloro-2-methylphenyl)-1-ethyl-2-thioxo-imidazolidin-4-one | 182564-81-4 | C12H13ClN2OS |
| 4-咪唑烷酮,1-乙基-2-硫代-3-[4-(三氟甲氧基)苯基]- | 1-ethyl-2-thioxo-3-(4-trifluoromethoxyphenyl)-imidazolidin-4-one | 182564-85-8 | C12H11F3N2O2S |
| 4-咪唑烷羧酸,1-乙基-3-己基-2,5-二羰基-,乙基酯 | 3-ethyl-1-hexyl-5-carbethoxyhydantoin | 140429-86-3 | C14H24N2O4 |
| 4-叔丁基-1,3-噁唑烷-2-酮 | 4-tert-butyl-2-oxazolidinone | 134668-36-3 | C7H13NO2 |
| 4-叔丁基-1,2,4-三唑烷-3,5-二酮 | 4-tert-butyl-1,2,4-triazolidine-3,5-dione | 35403-67-9 | C6H11N3O2 |
| 4-亚氨基-5,5-二甲基-3-苯基-2-噁唑烷酮 | 4-imino-5,5-dimethyl-3-phenyl-oxazolidin-2-one | 3846-12-6 | C11H12N2O2 |
| 4-乙酰基-2,2-二甲基噁唑啉-3-羧酸叔丁酯 | tert-butyl 4-acetyl-2,2-dimethyloxazolidine-3-carboxylate | 433683-01-3 | C12H21NO4 |
| 4-乙烯基-3-苯基-1,3-恶唑烷-2-酮 | 3-phenyl-4-vinyloxazolidin-2-one | 115148-31-7 | C11H11NO2 |
| 4-乙炔基-3-羟基-1-甲基-2-咪唑烷酮 | 4-ethynyl-3-hydroxy-1-phenyl-2-imidazolidinone | 288371-93-7 | C6H8N2O2 |
| 4-乙炔-2,2-二甲基噁唑啉-3-羧酸叔丁酯 | tert-butyl 4-ethynyl-2,2-dimethyloxazolidine-3-carboxylate | 1087043-97-7 | C12H19NO3 |
| 4-乙基恶唑烷-2-酮 | 4-ethyl-2-oxazolidinone | 16112-60-0 | C5H9NO2 |
| 4-乙基恶唑烷-2-硫酮 | 4-ethyloxazolidine-2-thione | 13997-20-1 | C5H9NOS |
| 4-乙基恶唑烷 | 4-ethyloxazolidine | 53019-53-7 | C5H11NO |
| 4-乙基噻唑烷-2-硫酮 | 4-ethyl thiazolidine-2-thione | 1437-91-8 | C5H9NS2 |
| 4-乙基-4-苯基咪唑烷-2-硫酮 | 4-ethyl-4-phenyl-imidazolidine-2-thione | 13206-11-6 | C11H14N2S |
| 4-乙基-4-甲基-5-巯基咪唑烷-2-酮 | 5-ethyl-5-methyl-4-thioxo-imidazolidin-2-one | 2672-85-7 | C6H10N2OS |
| 4-乙基-4-甲基-1,3-恶唑烷-2-酮 | 4-ethyl-4-methyloxazolidin-2-one | 58628-99-2 | C6H11NO2 |
| 4-乙基-4-丁基-咪唑烷-2-酮 | 4-ethyl-4-butyl-imidazolidin-2-one | 100708-01-8 | C9H18N2O |
| 4-乙基-3-苯基-1,3-恶唑烷-2-酮 | 4-ethyl-3-phenyl-1,3-oxazolidine-2-one | 105873-71-0 | C11H13NO2 |
| 4-乙基-2-甲基-2-(3-甲基丁基)噁唑烷 | 4-Ethyl-2-methyl-2-(3-methylbutyl)oxazolidine | 137796-06-6 | C11H23NO |
| 4-乙基-2-(三氟甲基)-1,3-恶唑烷 | 4-ethyl-2-trifluoromethyl-oxazolidine | 31185-55-4 | C6H10F3NO |
| 4-乙基-1-苯基-2-咪唑烷酮 | 4-ethyl-1-phenyl-2-imidazolidinone | 103855-51-2 | C11H14N2O |
| 4-乙基-1,2,4-三唑烷-3,5-二酮 | 4-ethyl-[1,2,4]triazolidine-3,5-dione | 16050-65-0 | C4H7N3O2 |
| 4-丙-1-烯-2-基-1,3-噻唑烷-2-酮 | 4-isopropenylthiazolidin-2-one | 104514-83-2 | C6H9NOS |
| 4-丁基-6-甲基-2,3-吗啉二酮 | 4-butyl-6-methyl-2,3-morpholinedione | 100994-73-8 | C9H15NO3 |
| 4-丁基-2-恶唑烷酮 | (±)-4-butyloxazolidin-2-one | 114364-40-8 | C7H13NO2 |
| 4-丁基-2,5-二氧代-咪唑烷-4-甲醛 | 4-Butyl-2,5-dioxo-imidazolidine-4-carbaldehyde | 6974-17-0 | C8H12N2O3 |
| 4-丁基-1-甲基-2,5-二氧代-咪唑烷-4-甲醛 | 4-Butyl-1-methyl-2,5-dioxoimidazolidine-4-carbaldehyde | 5471-58-9 | C9H14N2O3 |
| 4-[六氢-3-(1,2,3,4-四氢-2,4-二氧代-5-嘧啶基)咪唑并[1,5-a]吡嗪-2(3H)-基]-苯甲酸乙酯 | ethyl 4-[3-(2,4-dioxo-1H-pyrimidin-5-yl)-3,5,6,7,8,8a-hexahydro-1H-imidazo[1,5-a]pyrazin-2-yl]benzoate | 7542-46-3 | C19H23N5O4 |
| 4-[5-[N-(2,4-二氧代咪唑烷-1-基)亚氨代甲基]-2-呋喃基]苯甲腈 | 1-[5-(p-cyanophenyl)furfurylideneamino]hydantoin | 14663-27-5 | C15H10N4O3 |
| 4-[3-[4-氰基-3-(三氟甲基)苯基]-5,5-二甲基-4-氧代-2-硫酮-1-咪唑烷基]-2-氟-N-甲基苯甲酰胺 | MDV3100 | 915087-33-1 | C21H16F4N4O2S |
| 4-[3-[4-氰基-3-(三氟甲基)苯基]-5,5-二甲基-4-氧代-2-硫代-1-咪唑烷基]-2-氟苯甲酰胺 | N-Desmethylenzalutamide | 1242137-16-1 | C20H14F4N4O2S |
| 4-[3-(4-羟基苯基)-4,4-二甲基-5-氧代-2-硫代咪唑烷-1-基]-2-三氟甲基苯甲腈 | 4-(3-(4-hydroxyphenyl)-4,4-dimethyl-5-oxo-2-thioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile | 915086-32-7 | C19H14F3N3O2S |
| 4-[3-(4-羟基丁基)-4,4-二甲基-2,5-二氧代-1-咪唑烷基]-2-(三氟甲基)苯腈 | 4-[3-(4-hydroxybutyl)-4,4-dimethyl-2,5-dioxoimidazolidin-1-yl]-2-(trifluoromethyl)benzonitrile | 154992-24-2 | C17H18F3N3O3 |