| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 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 |
| 3,4-双(三氟甲基)吡啶 | 3,4-bis(trifluoromethyl)pyridine | 20857-46-9 | C7H3F6N |
| 3,4-去氟吉非替尼杂质 | Gefitinib 3,4-difluoro impurity hydrochloride | 184475-68-1 | C22H25ClF2N4O3 |
| 3,4-亚甲基二氧苯乙基异氰酸酯 | 2-(3,4-methylenedioxyphenyl)-ethyl isocyanate | 62334-09-2 | C10H9NO3 |
| 3,4-亚甲基二氧苄肼 | benzo[d][1,3]dioxole-5-carbohydrazide | 22026-39-7 | C8H8N2O3 |
| 3,4-亚甲基二氧基苯甲酰基甲酸乙酯 | ethyl 2-(benzo[d][1,3]dioxol-5-yl)-2-oxoacetate | 86358-30-7 | C11H10O5 |
| 3,4-亚甲基二氧基亚苄基苯甲胺 | N-benzylidene piperonylamine | 112776-37-1 | C15H13NO2 |
| 3,4-亚甲基二氧基亚苄基苯甲胺 | piperonal N-benzylimine | 54089-45-1 | C15H13NO2 |
| 3,4-亚甲基二氧基乙酰苯胺 | 3,4-methylenedioxyacetanilide | 13067-19-1 | C9H9NO3 |
| 3,4-亚甲基二氧基-α-吡咯烷苯丙酮盐酸盐 | 3,4-methylenedioxy-α-pyrrolidinopropiophenone hydrochloride | 24698-57-5 | C14H17NO3*ClH |
| 3,4-亚甲二氧苯乙酮 | 1-(benzo[d][1,3]dioxol-6-yl)ethanone | 3162-29-6 | C9H8O3 |
| 3,4-亚甲二氧基苯胺 | benzo[1,3]dioxolo-5-ylamine | 14268-66-7 | C7H7NO2 |
| 3,4-亚甲二氧基苯硫酚 | 1,3-benzodioxole-5-thiol | 5274-08-8 | C7H6O2S |
| 3,4-亚甲二氧基苯甲醇醋酸酯 | piperonyl acetate | 326-61-4 | C10H10O4 |
| 3,4-亚甲二氧基苯基异丁胺 | α-methyl-1,3-benzodioxole-5-propanamine | 40742-32-3 | C11H15NO2 |
| 3,4-亚甲二氧基苯基三乙氧基硅烷 | 4-(triethoxysilyl)-1,2-(methylenedioxy)benzene | 376353-50-3 | C13H20O5Si |
| 3,4-亚甲二氧基苯乙醇 | 3,4-methylenedioxyphenethyl alcohol | 6006-82-2 | C9H10O3 |
| 3,4-亚甲二氧基苯乙胺 | homopiperonylamine hydrochloride | 1653-64-1 | C9H11NO2*ClH |
| 3,4-亚甲二氧基苄胺 | 1,3-benzodioxol-5-ylmethyl amine | 2620-50-0 | C8H9NO2 |
| 3,4-亚甲二氧基苄烯苯胺 | piperonal-phenylimine | 27738-39-2 | C14H11NO2 |
| 3,4-亚甲二氧基苄基硫醇 | 3,4-methylenedioxy benzyl mercaptan | 34817-07-7 | C8H8O2S |