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中文名称 英文名称 CAS号 化学式
3,4-二甲氧基苯乙炔 4-ethynylveratrole 4302-52-7 C10H10O2
3,4-二甲氧基苯乙基溴 3,4-dimethoxyphenethyl bromide 40173-90-8 C10H13BrO2
3,4-二甲氧基苯丙烯醛 3,4-dimethoxy-cinnamaldehyde 4497-40-9 C11H12O3
3,4-二甲氧基甲苯 1,2-dimethoxy-4-methylbenzene 494-99-5 C9H12O2
3,4-二甲氧基二苯甲酮 3,4-dimethoxybenzophenone 4038-14-6 C15H14O3
3,4-二甲氧基二环[4.2.0]辛-1,3,5-三烯-7,8-二酮 4,5-dimethoxybenzocyclobutene-1,2-dione 41634-27-9 C10H8O4
3,4-二甲氧基-N-[1,2,3,4-四氢-2-(4-甲氧基苄基)异喹啉-5-基]苯甲酰胺 3,4-Dimethoxy-N-[2-(4-methoxy-benzyl)-1,2,3,4-tetrahydro-isoquinolin-5-yl]-benzamide 41957-48-6 C26H28N2O4
3,4-二甲基茴香醚 3,4-dimethylanisole 4685-47-6 C9H12O
3,4-二甲基苯酚钾 potassium 3,4-dimethylphenolate 40590-38-3 C8H9O*K
3,4-二甲基苯硼酸频呐醇酯 2-(3,4-dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 401797-00-0 C14H21BO2
3,4-二甲基苯甲酰肼 3,4-dimethylbenzoylhydrazine 42596-61-2 C9H12N2O
3,4-二甲基色烯-2-酮 3,4-dimethylcoumarin 4281-39-4 C11H10O2
3,4-二甲基联苯 3,4-dimethylbiphenyl 4433-11-8 C14H14
3,4-二甲基氟苯 3,4-dimethyl-fluorobenzene 452-64-2 C8H9F
3,4-二甲基戊-1-烯-3-醇 3,4-dimethyl-1-penten-3-ol 40076-53-7 C7H14O
3,4-二甲基己烷-2,5-二胺 tetramethyl-1,4-butanediamine 44873-87-2 C8H20N2
3,4-二甲基己-1,5-二烯 meso-3.4-Dimethyl-hexadien-(1.5) 4894-63-7 C8H14
3,4-二甲基-苯亚磺酸 3,4-dimethyl-benzenesulfinic acid 42187-27-9 C8H10O2S
3,4-二甲基-O-苯二胺 3,4-dimethyl-o-phenylenediamine 41927-01-9 C8H12N2
3,4-二甲基-3’-硝基苯甲酮 3-Nitro-3',4'-dimethyl-benzophenon 42187-33-7 C15H13NO3
3,4-二甲基-2-苯基-戊-3-烯-2-醇 3,4-dimethyl-2-phenyl-pent-3-en-2-ol 41231-84-9 C13H18O
3,4-二甲基-2-硝基苯甲酸 3,4-Dimethyl-2-nitrobenzoesaeure 4315-13-3 C9H9NO4
3,4-二甲基-2-戊烯 (E)-3,4-dimethyl-2-pentene 4914-92-5 C7H14
3,4-二甲基-2,6-二硝基苯酚 2,6-dinitro-3,4-dimethylphenol 4097-61-4 C8H8N2O5
3,4-二甲基-1,2,5-噁二唑 3,4-dimethylfurazan 4975-21-7 C4H6N2O
3,4-二溴喹啉 3,4-Dibrom-chinolin 41320-96-1 C9H5Br2N
3,4-二溴-3,4-二氢香豆素 3,4-dibromo-3,4-dihydrocoumarin 42974-18-5 C9H6Br2O2
3,4-二溴-2,5-二氯噻吩 3,4-dibromo-2,5-trichlorothiophene 40477-45-0 C4Br2Cl2S
3,4-二溴-1H-吡咯-2,5-二羧酸 二甲酯 3,4-dibromo-1H-pyrrole-2,5-dicarboxylic acid dimethyl ester 473401-83-1 C8H7Br2NO4
3,4-二氰基苯甲酰基氯化物 3,4-dicyanobezoyl chloride 437552-35-7 C9H3ClN2O
3,4-二氯苯硼酸频那醇酯 2-(3,4-dichlorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 401797-02-2 C12H15BCl2O2
3,4-二氯苯甲酰乙腈 3,4-dichlorobenzoyl acetonitrile 4640-68-0 C9H5Cl2NO
3,4-二氯苯氧乙酸钠 sodium 3,4-dichlorophenoxyacetate 42222-84-4 C8H5Cl2O3*Na
3,4-二氯-alpha-甲基苯乙胺 1-(3,4-dichlorophenyl)propyl-2-amine 4806-87-5 C9H11Cl2N
3,4-二氯-N-甲基苯胺 3,4-dichloro-N-methylaniline 40750-59-2 C7H7Cl2N
3,4-二氯-N-[(1S)-1-[(2,5-二氢-1H-吡咯-1-基)甲基]-2-甲基丙基]-N-甲基苯乙酰胺单盐酸盐 LPK-26 hydrochloride 492451-07-7 C18H25Cl3N2O
3,4-二氯-5-吡啶羧酸 4,5-dichloro-3-pyridinecarboxylic acid 473837-10-4 C6H3Cl2NO2
3,4-二氨基甲苯 4-methyl-1,2-diaminobenzene 496-72-0 C7H10N2
3,4-二氨基噻吩并[2,3-b]噻吩-2,5-二羧酸二乙酯 Diethyl 3,4-diaminothieno<2,3-b>thiophene-2,5-dicarboxylate 4004-20-0 C12H14N2O4S2
3,4-二氨基-N,N-二乙基苯磺酰胺 3,4-diamino-N,N-diethyl-benzenesulfonamide 49804-28-6 C10H17N3O2S
3,4-二氨基-5-甲基苯甲腈 3,4-diamino-5-methyl-benzonitrile 468741-03-9 C8H9N3
3,4-二氨基-4-氧代丁酸 isoasparagine 498-25-9 C4H8N2O3
3,4-二氢吡喃甲酰胺 3,4-dihydro-2H-pyran-2-carboxamide 49831-28-9 C6H9NO2
3,4-二氢吡喃甲胺 (3,4-dihydro-2H-pyran-2-yl)methanamine 4781-76-4 C6H11NO
3,4-二氢-6,7-二羟基异喹啉 3,4-dihydroisoquinoline-6,7-diol 4602-83-9 C9H9NO2
3,4-二氢-4-苯基-2(1H)-喹啉 4-phenyl-3,4-dihydro-1H-quinolin-2-one 4888-33-9 C15H13NO
3,4-二氢-4-羟基-3-(苯基甲基)- 2H-1-苯并吡喃-2-酮 (+/-)-(3R,4RS)-3-benzyl-4-hydroxy-3,4-dihydrochromen-2-one 475570-89-9 C16H14O3
3,4-二氢-4-亚甲基-(9ci)-2H-吡喃并[3,2-b]吡啶 4-methylene-3,4-dihydro-2H-pyrano[3,2-b]pyridine 405174-46-1 C9H9NO
3,4-二氢-2H-苯并[C]氮杂卓-1,5-二酮 3,4-dihydro-1H-2-benzazepine-1,5(2H)-dione 41764-17-4 C10H9NO2
3,4-二氢-2H-1,5-苯并二噁英-6-甲醇 3,4-dihydro-2H-1,5-benzodioxepin-6-ylmethanol 499770-81-9 C10H12O3