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中文名称 英文名称 CAS号 化学式
3,4-二甲基-2-己烯(顺式,反式) 3,4-dimethyl-2-hexene 2213-37-8 C8H16
3,4-二甲基-2,5-己二酮 (3R,4R)-3,4-Dimethyl-hexane-2,5-dione 28895-03-6 C8H14O2
3,4-二甲基-2,5-二苯基-1,3,2-氧氮杂硼戊环 2,5-diphenyl-3,4-dimethyl-1,3,2-oxazaboracyclopentane 26574-29-8 C16H18BNO
3,4-二甲基-2,5-二甲氧基苯乙胺盐酸盐 2,5-Dimethoxy-3,4-dimethylphenethylamine 207740-18-9 C12H19NO2
3,4-二甲基-2,5-二氢吡喃-6-酮 4,5-dimethyl-3,6-dihydro-pyran-2-one 22937-02-6 C7H10O2
3,4-二甲基-1H-吡唑二氢磷酸盐 3,4-dimethylpyrazole phosphate 202842-98-6 C5H8N2*H3O4P
3,4-二甲基-1H-吡唑 3,4-dimethyl-1H-pyrazole 2820-37-3 C5H8N2
3,4-二甲基-10-(3-氨基丙基)-9-吖啶酮草酸盐 ER-27319 201010-95-9 C2H2O4*C18H20N2O
3,4-二甲基-1-哌啶磺酰胺 3,4-Dimethyl-piperidine-1-sulfonic acid amide 29609-27-6 C7H16N2O2S
3,4-二甲基-1-(苯基甲基)吡啶鎓氯化物 1-benzyl-3,4-dimethyl-pyridinium; chloride 22185-44-0 C14H16N*Cl
3,4-二甲基-1,5-己二烯-3,4-二醇 3,4-Dimethyl-hexadien-(1,5)-diol-(3,4) 2781-29-5 C8H14O2
3,4-二溴庚烷 3,4-dibromoheptane 21266-90-0 C7H14Br2
3,4-二溴噻吩-2,5-二甲醛 3,4-dibromothiophene-2,5-dicarbaldehyde 25373-20-0 C6H2Br2O2S
3,4-二溴丁酮 3,4-dibromobutan-2-one 25109-57-3 C4H6Br2O
3,4-二溴丁腈 3,4-dibromobutyronitrile 25109-74-4 C4H5Br2N
3,4-二氯苯磺酰胺 3,4-dichlorobenzene-1-sulfonamide 23815-28-3 C6H5Cl2NO2S
3,4-二氯苯甲酸甲酯 3,4-dichlorobenzoic acid methyl ester 2905-68-2 C8H6Cl2O2
3,4-二氯苯甲酸乙酯 3,4-dichloro-benzoic acid ethyl ester 28394-58-3 C9H8Cl2O2
3,4-二氯苯甲酰胺 3,4-dichlorobenzenecarboximidamide 25412-64-0 C7H6Cl2N2
3,4-二氯苯甲酰胺 3,4-dichlorobenzamide 2670-38-4 C7H5Cl2NO
3,4-二氯苯甲酰肼 3,4-dichlorobenzohydrazide 28036-91-1 C7H6Cl2N2O
3,4-二氯苯基乙酰苯胺 N-(3,4-dichloro-phenyl)-2-phenyl-acetamide 27816-82-6 C14H11Cl2NO
3,4-二氯苯乙酮 3',4'-dichloroacetophenone 2642-63-9 C8H6Cl2O
3,4-二氯苯乙胺 2-(3,4-dichlorophenyl)ethanamine 21581-45-3 C8H9Cl2N
3,4-二氯苯乙烯 3,4-dichlorostyrene 2039-83-0 C8H6Cl2
3,4-二氯联苯 3,4-dichlorobiphenyl 2974-92-7 C12H8Cl2
3,4-二氯碘苯 3,4-dichloroiodobenzene 20555-91-3 C6H3Cl2I
3,4-二氯硫代苯胺 3,4-dichlorobenzothioamide 22179-73-3 C7H5Cl2NS
3,4-二氯喹啉 3,4-dichloroquinoline 25836-11-7 C9H5Cl2N
3,4-二氯丁酸 3,4-dichlorobutyric acid 29653-38-1 C4H6Cl2O2
3,4-二氯-苯丙醛 3-(3,4-dichlorophenyl)propanal 20795-47-5 C9H8Cl2O
3,4-二氯-N-(4-氯苯基)苯甲酰胺 3,4-dichloro-benzoic acid-(4-chloro-anilide) 2448-04-6 C13H8Cl3NO
3,4-二氯-N-(2-羟基乙基)苯羧酰胺 N-(β-Hydroxyethyl)-3,4-dichlorbenzamid 28298-26-2 C9H9Cl2NO2
3,4-二氯-6-氟苯胺 4,5-dichloro-2-fluoro-phenylamine 2729-36-4 C6H4Cl2FN
3,4-二氯-5-甲基吡咯-2-羧酸 3,4-dichloro-5-methyl-1H-pyrrole-2-carboxylic acid 24691-30-3 C6H5Cl2NO2
3,4-二氯-5-甲基-1H-吡咯-2-羧酸乙酯 ethyl 3,4-dichloro-5-methyl-1H-pyrrole-2-carboxylate 24691-21-2 C8H9Cl2NO2
3,4-二氯-5-(1-甲基乙氧基)-2(5H)-呋喃酮 Mucochloric acid isopropyl ether 29814-12-8 C7H8Cl2O3
3,4-二氯-3-硝基水杨酰苯胺 2-hydroxy-N-(3,4-dichlorophenyl)-3-nitrobenzamide 29378-25-4 C13H8Cl2N2O4
3,4-二氯-3-环丁烯-1,2-二酮 3,4-Dichlorocyclobut-3-ene-1,2-dione 2892-63-9 C4Cl2O2
3,4-二氯-2-羟基苯甲醛 3,4-dichloro-2-hydroxybenzaldehyde 23602-61-1 C7H4Cl2O2
3,4-二氯-2-戊烯 3,4-dichloro-2-pentene 26423-64-3 C5H8Cl2
3,4-二氯-2,5-二苯基-噻吩 3,4-dichloro-2,5-diphenylthiophene 23852-94-0 C16H10Cl2S
3,4-二氯-1-(4-甲基苯基)吡咯-2,5-二酮 2,3-dichloro-N-p-tolylmaleimide 29244-55-1 C11H7Cl2NO2
3,4-二氯-1-(4-氯苯基)吡咯-2,5-二酮 N-(4-chlorophenyl)-3,4-dichloromaleimide 29236-09-7 C10H4Cl3NO2
3,4-二氮杂三环[4.2.1.02,5]壬-3-烯 3,4-diazatricyclo<4.2.1.0<sup>2,5</sup>>non-3-ene 23979-30-8 C7H10N2
3,4-二氨基苯磺酰胺 3,4-diaminobenzenesulfonamide 2360-20-5 C6H9N3O2S
3,4-二氨基-2-甲基吡唑 硫酸盐 4,5-diamino-1-methylpyrazole sulfate 20055-01-0 C4H8N4*H2O4S
3,4-二氢萘-1-基二甲基氨基甲酸酯 3,4-dihydronaphthalen-1-yl dimethylcarbamate 22718-24-7 C13H15NO2
3,4-二氢异喹啉-1-基肼 3,4-dihydro-1-(hydroazino)-isoquinoline 26406-38-2 C9H11N3
3,4-二氢咪唑并[4,5-b]吡啶-5-酮 1,4-dihydro-imidazo[4,5-<i>b</i>]pyridin-5-one 28279-48-3 C6H5N3O