| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 3,4-环氧四氢噻吩-1,1-二氧化物 | 3,4-epoxy-tetrahydro-thiophene-1,1-dioxide | 4509-11-9 | C4H6O3S |
| 3,4-环氧四氢呋喃 | 3,4-epoxytetrahydrofuran | 285-69-8 | C4H6O2 |
| 3,4-环氧丁内酯 | 3,4-epoxy-butyrolactone | 82140-94-1 | C4H4O3 |
| 3,4-环氧-己烷 | 2,3-diethyloxirane | 4468-66-0 | C6H12O |
| 3,4-环氧-6-甲基环己基甲基-3,4-环氧-6-甲基环己甲酸酯 | 4,5-epoxy-2-methyl-cyclohexanecarboxylic acid-(4,5-epoxy-2-methyl-cyclohexylmethyl ester) | 141-37-7 | C16H24O4 |
| 3,4-环氧-4-甲基四氢吡喃 | 4-methyl-3,4-epoxytetrahydropyran | 33331-97-4 | C6H10O2 |
| 3,4-环氧-4-甲基-1-戊醇 | 4-methyl-3,4-epoxypentan-1-ol | 162131-96-6 | C6H12O2 |
| 3,4-环氧-4-甲基-1-戊烯 | 3,4-epoxy-4-methyl-1-penten | 6812-25-5 | C6H10O |
| 3,4-环氧-3-戊基-1-丁烯 | 3,4-epoxy-3-pentyl-1-butene | 79241-40-0 | C9H16O |
| 3,4-环氧-1-环己烯 | 3,4-epoxycyclohexene | 6705-51-7 | C6H8O |
| 3,4-环氧-1-己烯 | 3,4-epoxy-1-hexene | 34485-78-4 | C6H10O |
| 3,4-环氧-1-己烯 | 3,4-epoxy-1-hexene | 34485-78-4 | C6H10O |
| 3,4-环戊烯并吡啶并(3,2-a)咔唑 | 5,6-cyclopentenopyrido<3.2-α>carbazole | 69477-66-3 | C18H14N2 |
| 3,4-溴吲哚-1-羧酸叔丁酯 | 3,4-Dibromo-indole-1-carboxylic acid tert-butyl ester | 219943-38-1 | C13H13Br2NO2 |
| 3,4-异亚丙基二氧基安非他命 | 1-(2,2-dimethyl-1,3-benzodioxol-5-yl)propan-2-amine;hydron;chloride | —— | C12H18ClNO2 |
| 3,4-四亚甲基吡啶并[1,2-a]嘧啶-2-硫酮 | 3,4-tetramethylenepyrido<1,2-a>pyrimidine-2-thione | 80913-54-8 | C12H12N2S |
| 3,4-噻吩二羧酸 | thiophene-3,4-dicarboxylic acid | 4282-29-5 | C6H4O4S |
| 3,4-噻吩二甲酰氯 | thiophene-3,4-dicarbonyl dichloride | 33527-26-3 | C6H2Cl2O2S |
| 3,4-噻二唑-2(3H)-硫酮-5-(叔十二烷基二硫代)-1 | 5-(t-dodecyldisulfanyl)-1,3,4-thiadiazole-2-thiol | 73984-93-7 | C14H26N2S4 |
| 3,4-噌啉二胺 | 3,4-diaminocinnoline | 64803-94-7 | C8H8N4 |
| 3,4-嘧啶乙二酸二乙酯 | diethyl pyridine-3,4-dicarboxylate | 1678-52-0 | C11H13NO4 |
| 3,4-哒嗪二胺 | 3,4-diaminopyridazine | 61070-98-2 | C4H6N4 |
| 3,4-哒嗪二甲酸 | pyridazine-3,4-dicarboxylic acid | 129116-97-8 | C6H4N2O4 |
| 3,4-哌啶二醇,5-(羟甲基)-,(3R,4S,5S)-rel- | 3-(3-Chloropropyl)-5-methylisoxazole | 178396-19-5 | C7H10ClNO |
| 3,4-呋喃二胺,四氢-(9CI) | 5-Thiazoleacetic acid, 2-(benzylamino)-4-(p-chlorophenyl)-, methyl ester | 74241-23-9 | C19H17ClN2O2S |
| 3,4-呋喃二羰基二氯化物 | furan-3,4-dicarbonyl dichloride | 52762-41-1 | C6H2Cl2O3 |
| 3,4-呋喃二羧酸二甲酯 | dimethyl 3,4-furandicarboxylate | 4282-33-1 | C8H8O5 |
| 3,4-呋喃二羧酸,2-甲氧基-5-甲基-,二甲基酯 | Dimethyl 2-methoxy-5-methylfuran-3,4-dicarboxylate | 105495-05-4 | C10H12O6 |
| 3,4-呋喃二甲酸二乙酯 | diethyl 3,4-furandicarboxylate | 30614-77-8 | C10H12O5 |
| 3,4-呋喃二甲酸 | furan-3,4-dicarboxylic acid | 3387-26-6 | C6H4O5 |
| 3,4-吡啶二醇二乙酸酯 | Pyridin-3,4-diol-diacetat | 65985-96-8 | C9H9NO4 |
| 3,4-吡啶二酰亚胺 | 3,4-pyridinedicarboximide | 4664-01-1 | C7H4N2O2 |
| 3,4-吡啶二苄醇 | 3,4-pyridinedimethanol | 38070-80-3 | C7H9NO2 |
| 3,4-吡啶二胺,N4,2,6-三甲基- | cis-Octahydroindol | 752169-56-5 | C8H15N |
| 3,4-吡啶二羧酸二甲酯 | dimethyl 3,4-pyridinedicarboxylate | 1796-83-4 | C9H9NO4 |
| 3,4-吡啶二羧酸-3-甲酯 | pyridine-3,4-dicarboxylic acid 3-methyl ester | 24202-79-7 | C8H7NO4 |
| —— | 2-Methoxy-6-methyl-pyridin-3,4-dicarbonsaeure | 103441-88-9 | C9H9NO5 |
| 3,4-吡啶二羧酸,2-氰基-5-(二乙胺基)-1,6-二氢-1-甲基-6-羰基-,二甲基酯 | dimethyl 2-cyano-5-(diethylamino)-1,6-dihydro-1-methyl-6-oxo-3,4-pyridinedicarboxylate | 139706-36-8 | C15H19N3O5 |
| 3,4-吡啶二羧酸 | 3,4-pyridinecarboxylic acid | 490-11-9 | C7H5NO4 |
| 3,4-吡啶二甲酰胺 | 3,4-pyridinedicarboxamide | 4663-98-3 | C7H7N3O2 |
| 3,4-吡啶二甲腈,2-碘-5,6-二甲基- | 4-[3,4-Dihydroxy-5-(hydroxymethyl)pyrrolidin-2-yl]benzonitrile | 253129-07-6 | C12H14N2O3 |
| 3,4-吡咯烷二醇,2-(氨基甲基)-5-(羟甲基)-,(2R,3R,4R,5R)- | 1-amino-1,2,5-trideoxy-2,5-imino-D-mannitol | 194288-65-8 | C6H14N2O3 |
| 3,4-吡咯烷二醇,2-(4-溴苯基)-5-(羟甲基)-,(2S,3S,4R,5R)- | (R)-2-methyl-2,3-dihydro-4H-pyran-4-one | 190912-17-5 | C6H8O2 |
| 3,4-吡咯烷二醇,2-(4-氨基-5H-吡咯并[3,2-d]嘧啶-7-基)-5-(羟甲基)-,(2S,3S,4R,5R)- | (2S,3S,4R,5R)-2-(4-amino-5H-pyrrolo[3,2-d]pyrimidin-7-yl)-5-(hydroxymethyl)pyrrolidine-3,4-diol | 249503-25-1 | C11H15N5O3 |
| 3,4-吡咯二羧酸二乙酯 | diethyl pyrrole-3,4-dicarboxylate | 41969-71-5 | C10H13NO4 |
| 3,4-双-(4-甲氧基苯基)哒嗪1-氧化物 | 3,4-bis-(4-methoxyphenyl)pyridazine 1-oxide | 70769-26-5 | C18H16N2O3 |
| 3,4-双(氯甲基)呋喃 | 3,4-bis(chloromethyl)furan | 6372-18-5 | C6H6Cl2O |
| 3,4-双(氯甲基)-吡啶盐酸盐 | 3,4-bis(chloromethyl)pyridine hydrochloride | 27221-52-9 | C7H7Cl2N*ClH |
| 3,4-双(氯甲基)-2,5-二甲基硒吩 | 3,4-bis-chloromethyl-2,5-dimethyl-selenophene | 63822-24-2 | C8H10Cl2Se |
| 3,4-双(氯甲基)-1,2,5-噁二唑 | 3,4-bis(Chlormethyl)furazan | 53601-88-0 | C4H4Cl2N2O |