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    中文名称 英文名称 CAS号 化学式
    3,4-二甲基螺[4.5]癸-3-烯-2-酮 3,4-dimethylspiro<4.5>dec-3-en-2-one 89237-56-9 C12H18O
    3,4-二甲基苯甲酰基甲酸乙酯 ethyl 2-(3,4-dimethylphenyl)-2-oxoacetate 80120-32-7 C12H14O3
    3,4-二甲基苯甲酰基乙腈 3-(3,4-dimethylphenyl)-3-oxopropanenitrile 884504-20-5 C11H11NO
    3,4-二甲基环戊-3-烯-1-酮 3,4-dimethylcyclopent-3-en-1-one 84627-96-3 C7H10O
    3,4-二甲基戊-4-烯羧酸 3,4-dimethylpent-4-enecarboxylic acid 86335-90-2 C7H12O2
    3,4-二甲基吡咯 3,4-dimethyl-1H-pyrrole 822-51-5 C6H9N
    3,4-二甲基-6,7,8,9-四氢-1H-苯并[7]环轮烯-1,2(5H)-二酮 6,7,8,9-Tetrahydro-3,4-dimethyl-5H-benzocyclohepten-1,2-dion 88246-01-9 C13H16O2
    3,4-二甲基-5-氧代-4,5-二氢-1H-吡唑-1-羧酸 3,4-Dimethyl-5-oxo-4,5-dihydro-1H-pyrazole-1-carboxylic acid 861383-10-0 C6H8N2O3
    3,4-二甲基-5-氧代-2,5-二氢-1H-吡唑-1-甲酰胺 3,4-dimethyl-5-oxo-2,5-dihydro-pyrazole-1-carboxylic acid amide 857220-41-8 C6H9N3O2
    3,4-二甲基-5-氟苯硼酸 (3-Fluoro-4,5-dimethylphenyl)boronic acid 864759-65-9 C8H10BFO2
    3,4-二甲基-5-戊基-2-呋喃壬酸甲酯 9-(3,4-dimethyl-5-pentylfuran-2-yl)nonanoic acid methyl ester 81144-79-8 C21H36O3
    3,4-二甲基-5-[(甲硫基)甲基]-1,2-恶唑 3,4-dimethyl-5-methylthiomethylisoxazole 84654-46-6 C7H11NOS
    3,4-二甲基-4-氯己烷-2-酮 3,4-dimethyl-4-chlorohexane-2-one 871874-11-2 C8H15ClO
    3,4-二甲基-3-戊烯-2-酮甲苯磺酰腙 3,4-dimethyl-3-penten-2-one tosylhydrazone 82323-80-6 C14H20N2O2S
    3,4-二甲基-3,4-二氢异香豆素 3,4-Dimethyl-3,4-dihydroisocoumarin 82416-36-2 C11H12O2
    3,4-二甲基-2-重氮-3-戊烯 3,4-dimethyl-2-diazo-3-pentene 82323-71-5 C7H12N2
    3,4-二甲基-2-苯基-1-氧杂-4-氮杂螺[4.5]癸烷 1-Oxa-4-azaspiro[4.5]decane, 3,4-dimethyl-2-phenyl- 88263-26-7 C16H23NO
    3,4-二甲基-2-噻吩甲酸 3,4-Dimethyl-thiophen-2-carbonsaeure 89639-74-7 C7H8O2S
    3,4-二甲基-2-亚甲基戊醛 3,4-dimethyl-2-methylenepentanal 85153-28-2 C8H14O
    3,4-二甲基-1H-吡唑-5-羧酸 3,4-dimethyl-2H-pyrazole-5-carboxylic acid 89831-40-3 C6H8N2O2
    3,4-二甲基-1H-吡咯-2-羧酸 3,4-dimethyl-1H-pyrrole-2-carboxylic acid 89776-55-6 C7H9NO2
    3,4-二甲基-1-苯基吡咯-2,5-二酮 N-phenyl-2,3-dimethylmaleimide 81109-49-1 C12H11NO2
    3,4-二甲基-1-环己烯 3,4-Dimethylen-1-cyclohexen 82447-56-1 C8H10
    3,4-二甲基-1-庚醇 3,4-Dimethylheptan-1-ol 85712-04-5 C9H20O
    3,4-二甲基-1-丙基吡喃并[2,3-c]吡唑-6-酮 3,4-Dimethyl-1-propylpyrano[2,3-c]pyrazol-6(1H)-one 88549-99-9 C11H14N2O2
    3,4-二甲基-1-(4-甲基苯基)吡咯-2,5-二酮 3,4-dimethyl-1-p-tolyl-pyrrole-2,5-dione 89068-54-2 C13H13NO2
    3,4-二甲基-1-(2-硫烷基乙基)吡咯-2,5-二酮 1-(2-mercaptoethyl)-3,4-dimethyl-1H-pyrrole-2,5-dione 88595-29-3 C8H11NO2S
    3,4-二环丙基-5-(1-戊基-4-二环[2.2.2]辛基)-1,2,4-三唑 3,4-dicyclopropyl-5-(4-pentylbcyclo[2.2.2]oct-1-yl)-4H-1,2,4-triazole 801267-79-8 C21H33N3
    3,4-二溴-苯磺酰氯 3,4-dibromobenzenesulfonyl chloride 81903-80-2 C6H3Br2ClO2S
    3,4-二溴-己酸 3,4-dibromo-hexanoic acid 819795-99-8 C6H10Br2O2
    3,4-二溴-己-3-烯 3,4-dibromo-hex-3-ene 89580-53-0 C6H10Br2
    3,4-二溴-丁酸酰胺 3,4-dibromo-butyric acid amide 861052-78-0 C4H7Br2NO
    3,4-二溴-6-硝基-1H-吲唑 3,4-Dibromo-6-nitro-1H-indazole 885519-49-3 C7H3Br2N3O2
    3,4-二溴-6-氯-2,2-二甲基色烷 3,4-dibromo-6-chloro-2,2-dimethyl-3,4-dihydrochromene 80055-58-9 C11H11Br2ClO
    3,4-二溴-4-(2-硝基苯基)-2-丁酮 3,4-dibromo-4-(2-nitrophenyl)-2-butanone 850815-06-4 C10H9Br2NO3
    3,4-二溴-2,6-二氯-苯酚 3,4-dibromo-2,6-dichloro-phenol 861337-71-5 C6H2Br2Cl2O
    3,4-二溴-2,5-二甲基己-2,4-二烯 3,4-Dibromo-2,5-dimethylhexa-2,4-diene 88919-69-1 C8H12Br2
    3,4-二溴-2,2,5,5-四氟-2,5-二氢呋喃 methyl 1,2,3,4-tetrahydro-5-hydroxy-8-methoxynaphthalene-2-carboxylate 80027-57-2 C13H16O4
    3,4-二溴-1H-吲唑-6-羧酸 3,4-Dibromo-1H-indazole-6-carboxylic acid 885523-51-3 C8H4Br2N2O2
    3,4-二溴-1-甲基吡唑 3,4-dibromo-1-methylpyrazole 89607-14-7 C4H4Br2N2
    3,4-二溴-1-(3-苯基戊基)吡咯-2,5-二酮 dibromomaleic acid N-3-phenylpentylimide 89538-27-2 C15H15Br2NO2
    3,4-二溴-1-(2-溴乙基)-7-氧杂二环[4.1.0]庚烷 3,4-dibromo-1-(2-bromoethyl)-7-oxabicyclo[4.1.0]heptane 82296-93-3 C8H11Br3O
    3,4-二氯苯胺-ul-14C <(13)C6> 3,4-dichloroaniline 89059-40-5 C6H5Cl2N
    3,4-二氯苯磺酸甲酯 3,4-Dichloro-benzenesulfonic acid methyl ester 89690-48-2 C7H6Cl2O3S
    3,4-二氯苯甲酸酐 3,4-dichlorobenzoic anhydride 86866-14-0 C14H6Cl4O3
    3,4-二氯苯乙二醛水合物 3,4-Dichlorophenylglyoxal hydrate 859775-23-8 C8H6Cl2O3
    3,4-二氯苄氧胺盐酸盐 3,4-Dichlor-benzyloxyamin 84772-12-3 C7H7Cl2NO
    3,4-二氯-呋喃-2-甲醛 3,4-Dichlor-furfural 89166-93-8 C5H2Cl2O2
    3,4-二氯-呋喃-2,5-二羧酸 3,4-dichloro-furan-2,5-dicarboxylic acid 857790-29-5 C6H2Cl2O5
    3,4-二氯-alpha-[[[(3-甲氧基苯基)甲基]甲基氨基]甲基]-苯甲醇 1-(3,4-dichlorophenyl)-2-((3-methoxybenzyl)(methyl)amino)ethanol 802051-24-7 C17H19Cl2NO2