| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4-氧杂-8-氮杂三环[4.3.0.03,7]壬-1(9),3(7),5-三烯 | 3,6-Methano-1H-furo[3,4-B]pyrrole | 161025-83-8 | C7H5NO |
| 4-氧杂-7-氮杂螺[2.5]辛-6-酮 | 4-Oxa-7-azaspiro[2.5]octan-6-one | 1253790-21-4 | C6H9NO2 |
| 4-氧杂-7-氮杂三环[4.3.1.03,7]癸-1(9),2,5-三烯 | 5H-3,7-Methano[1,3]oxazolo[3,2-a]pyridine | 180719-37-3 | C8H7NO |
| 4-氧杂-7-氮杂-螺[2.5]辛烷盐酸盐 | 4-oxa-7-azaspiro[2.5]octane hydrochloride | 1427195-23-0 | C6H11NO*ClH |
| 4-氧杂-6-氮杂三环[6.1.1.02,6]癸-1(9),2,7-三烯 | 3H-6,8-Methano[1,3]oxazolo[3,4-a]pyridine | 220687-13-8 | C8H7NO |
| 4-氧杂-4,5,6,7-四氢苯并[B]呋喃-3-羧酸 | 4,5,6,7-tetrahydro-4-oxobenzofuran-3-carboxylic acid | 56671-28-4 | C9H8O4 |
| 4-氧杂-2-氮杂三环[5.2.1.02,6]癸-1(9),5,7-三烯 | 3H-5,8-Methano[1,3]oxazolo[3,4-a]pyridine | 235106-49-7 | C8H7NO |
| 4-氧杂-2-氮杂三环[4.4.0.02,8]癸-1(10),5,8-三烯 | 1H-4,7-Methanopyrrolo[1,2-c][1,3]oxazine | 168810-78-4 | C8H7NO |
| 4-氧杂-1-氮杂螺[5.5]十一烷 | 4-Oxa-1-azaspiro[5.5]undecane | 180-78-9 | C9H17NO |
| 4-氧杂-1-氮杂双环(3.2.0)庚烷-7-酮 | (+/-)-clavam | 64341-46-4 | C5H7NO2 |
| 4-氧杂-1,8-二氮杂双环[5.3.1]十一烷 | 4-Oxa-1,8-diazabicyclo[5.3.1]undecane | 184105-86-0 | C8H16N2O |
| 4-氧基-哌啶-3-羧酸甲酯 | methyl 4-oxonipecotate | 108554-34-3 | C7H11NO3 |
| 4-氧基-4-哌啶基-1-丁酸 | 4-oxo-4-(piperidin-1-yl)butanoic acid | 4672-17-7 | C9H15NO3 |
| 4-氧代螺[1,2,3,4-四氢喹唑啉-2,1'-环戊烷]-5-甲腈 | 4-Oxospiro[1,2,3,4-tetrahydroquinazoline-2,1'-cyclopentane]-5-carbonitrile | 1272756-16-7 | C13H13N3O |
| 4-氧代苯并二氢吡喃-8-羧酸甲酯 | methyl 4-oxochromane-8-carboxylate | 91344-89-7 | C11H10O4 |
| 4-氧代苯并二氢吡喃-8-羧酸 | acide chromannone-4 carboxylique-8 | 90921-10-1 | C10H8O4 |
| 4-氧代苯并二氢吡喃-7-羧酸甲酯 | methyl 4-oxo-3,4-dihydro-2H-chromene-7-carboxylate | 41118-21-2 | C11H10O4 |
| 4-氧代苯并二氢吡喃-7-羧酸 | acide chromannone-4 carboxylique-7 | 90921-09-8 | C10H8O4 |
| 4-氧代苯并二氢吡喃-6-羧酸 | acide chromannone-4 carboxylique-6 | 90921-08-7 | C10H8O4 |
| 4-氧代硫代苯并二氢吡喃-2-羧酸 | 4-oxothiochroman-2-carboxylic acid | 226924-15-8 | C10H8O3S |
| 4-氧代氮杂环庚烷-1-羧酸叔丁酯 | tert-butyl 4-oxoazepane-1-carboxylate | 188975-88-4 | C11H19NO3 |
| 4-氧代氧戊环-3-甲腈 | 4-oxotetrahydrofuran-3-carbonitrile | 856945-68-1 | C5H5NO2 |
| 4-氧代异环磷酰胺 | rac-4-ketoifosfamide | 42436-20-4 | C7H13Cl2N2O3P |
| 4-氧代尼立达唑 | 1-(5-Nitro-thiazol-2-yl)-2,4-dioxo-imidazolidine | 7039-09-0 | C6H4N4O4S |
| 4-氧代四氢呋喃-3-羧酸甲酯 | methyl 4-oxotetrahydrofuran-3-carboxylate | 57595-23-0 | C6H8O4 |
| 4-氧代四氢呋喃-3-羧酸乙酯 | ethyl 4-oxotetrahydrofuran-3-carboxylate | 89898-51-1 | C7H10O4 |
| 4-氧代四氢-2H-硫代吡喃-3-羧酸乙酯1,1-二氧化物 | Ethyl 4-oxotetrahydro-2H-thiopyran-3-carboxylate 1,1-dioxide | 889946-17-2 | C8H12O5S |
| 4-氧代四氢-2H-吡喃-3-羧酸甲酯 | methyl 4-oxotetrahydro-2H-pyran-3-carboxylate | 127956-11-0 | C7H10O4 |
| 4-氧代四氢-2H-吡喃-3-羧酸乙酯 | ethyl 4-oxotetrahydro-2H-pyran-3-carboxylate | 141419-94-5 | C8H12O4 |
| 4-氧代四氢-2H-吡喃-2-羧酸乙酯 | ethyl 4-oxotetrahydro-2H-pyran-2-carboxylate | 287193-07-1 | C8H12O4 |
| 4-氧代噻氯匹定 | 5-(2-chloro-benzyl)-6,7-dihydro-5<i>H</i>-thieno[3,2-<i>c</i>]pyridin-4-one | 68559-55-7 | C14H12ClNOS |
| 4-氧代嘧啶并[5,6-b]吲哚 | 5H-pyrimido<5,4-b>indole-4-one | 61553-71-7 | C10H7N3O |
| 4-氧代哌啶酮盐酸盐 | 4-piperidone hydrochloride | 41979-39-9 | C5H9NO*ClH |
| 4-氧代哌啶-3-羰酸甲酯 盐酸盐 | methyl 4-oxo-3-piperidinecarboxylate hydrochloride | 71486-53-8 | C7H11NO3*ClH |
| 4-氧代哌啶-3-甲腈盐酸盐 | 3-cyano-4-piperidinone hydrochloride | 1373253-28-1 | C6H8N2O*ClH |
| 4-氧代哌啶-1-羧酸甲酯 | methyl 4-oxopiperidine-1-carboxylate | 29976-54-3 | C7H11NO3 |
| 4-氧代哌啶-1-羧酸异丙酯 | 4-oxo-piperidine-1-carboxylic acid isopropyl ester | 190013-27-5 | C9H15NO3 |
| 4-氧代哌啶-1,3-二羧酸二甲酯 | 1,3-dicarbomethoxy-4-oxopiperidine | 31633-70-2 | C9H13NO5 |
| 4-氧代吡喃-2,6-二羧酸二乙基酯 | diethyl 4-oxo-4H-pyran-2,6-dicarboxylate | 725-92-8 | C11H12O6 |
| 4-氧代叔丁基-1,5,6,8-四氢吡啶并[4',3':4,5]噻吩并[2,3-D]嘧啶-7(4H)-羧酸盐 | tert-butyl 4-oxo-3,5,6,8-tetrahydropyrido[4′,3′:4,5]thieno[2,3-d]-pyrimidine-7(4H)-carboxylate | 874801-60-2 | C14H17N3O3S |
| 4-氧代八氢-1H-吲哚-1-羧酸叔丁酯 | tert-butyl 4-oxooctahydro-1H-indole-1-carboxylate | 1332584-12-9 | C13H21NO3 |
| 4-氧代6-氮杂萘并[2.5]辛烷6-羧酸叔丁酯 | tert-butyl 4-oxo-6-azaspiro[2.5]octane-6-carboxylate | 1101840-74-7 | C12H19NO3 |
| 4-氧代-哌啶-3-羧酸乙酯 | 1-hydroxy-isoquinoline-4-carboxylic acid ethyl ester | 78746-04-0 | C12H11NO3 |
| 4-氧代-吡略烷-1,3-二羧酸二乙酯 | ethyl 1-ethoxycarbonyl-4-oxopyrrolidine-3-carboxylate | 3751-82-4 | C10H15NO5 |
| 4-氧代-八氢-异吲哚-2-甲酸叔丁酯 | tert-butyl 4-oxooctahydro-1H-isoindole-2-carboxylate | 879687-92-0 | C13H21NO3 |
| 4-氧代-[1,4'-联哌啶]-1'-羧酸叔丁酯 | tert-butyl 4-(4-oxopiperidin-1-yl)piperidine-1-carboxylate | 1185732-60-8 | C15H26N2O3 |
| 4-氧代-N-(1,3-噻唑-2-基)-8-(三氟甲基)-1H-喹啉-3-甲酰胺 | N-[2-thiazolyl]-4-hydroxy-8-trifluoromethyl-3-quinoline-carboxamide | 59197-86-3 | C14H8F3N3O2S |
| 4-氧代-8-吡咯-1-基-1H-喹啉-3-羧酸 | 1,4-dihydro-4-oxo-8-(1-pyrrolyl)quinoline-3-carboxylic acid | 89353-47-9 | C14H10N2O3 |
| 4-氧代-8-(戊氧基)-1,4-二氢喹啉-3-羧酸乙酯 | ethyl 4-oxo-8-(pentyloxy)-1,4-dihydroquinoline-3-carboxylate | 105385-74-8 | C17H21NO4 |
| 4-氧代-8-(戊氧基)-1,4-二氢喹啉-3-羧酸 | 4-oxo-8-(pentyloxy)-1,4-dihydroquinoline-3-carboxylic acid | 105385-86-2 | C15H17NO4 |