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    中文名称 英文名称 CAS号 化学式
    3,4-二乙基-1H-吡咯-2-羧酸乙酯 ethyl 3,4-diethyl-1H-pyrrole-2-carboxylate 97336-41-9 C11H17NO2
    3,4-二乙基-1H-吡咯-2-羧酸乙酯 (3,4-difluorophenyl)carbamic acid ethyl ester 2145-85-9 C9H9F2NO2
    3,4-二乙基-1H-吡咯-2-羧酸 3,4-diethyl-1H-pyrrole-2-carboxylic acid 157873-93-3 C9H13NO2
    3,4-二乙基-1H-吡咯-2-甲醛 3,4-diethylpyrrole-2-carbaldehyde 1006-26-4 C9H13NO
    3,4-二乙基-1H-吡咯-2,5-二羧醛 3,4-diethyl-2,5-diformylpyrrole 130274-66-7 C10H13NO2
    3,4-二乙基-1,2-恶唑-5-胺 3,4-Diethylisoxazol-5-amine 71378-51-3 C7H12N2O
    3,4-二乙基-1,2-二氢吡咯-5-酮 3,4-diethyl-3-pyrrolin-2-one 60651-43-6 C8H13NO
    3,4-二乙吡啶 3,4-Diethyl-pyridin 612-11-3 C9H13N
    3,4-二丙氧基苯胺盐酸盐 3,4-Dipropoxy-phenylamine 88513-99-9 C12H19NO2
    3,4-二丁氧基苯胺 3,4-di(butyloxy)aniline 4956-63-2 C14H23NO2
    3,4-二丁基噻吩 3,4-dibutylthiophene 85932-61-2 C12H20S
    3,4-二丁基-5-(羟甲基)噻吩 3,4-dibutyl-5-(hydroxymethyl)thiophene 1022089-65-1 C13H22OS
    3,4-二丁基-5-(2,4-二甲基苯基)苯并呋喃-2(3H)-酮 Xylyl dibutylbenzofuranone 181314-48-7 C24H30O2
    3,4-二丁基-2-乙炔基噻吩 3,4-dibutyl-2-ethynylthiophene 565186-13-2 C14H20S
    3,4-二丁基-2-[2-(3,4-二丁基-5-碘噻吩-2-基)乙炔基]-5-碘噻吩 bis(3,4-dibutyl-5-iodothienyl)ethyne 565186-15-4 C26H36I2S2
    3,4-二丁基-2,5-二噻吩-2-基噻吩 3',4'-dibutyl-2,2':5',2''-terthiophene 152389-25-8 C20H24S3
    3,4-二丁二酰1,2-5,6-二去氢半乳糖醇 3,4-Disuccinyldianhydrogalactitol 66913-57-3 C14H18O10
    3,4-二[(三甲基硅烷基)氧基]二氢-2(3H)-呋喃酮 L-threonic acid-4-lactone 21730-93-8 C4H6O4
    3,4-二[(3-羟基苯基)甲基]四氢呋喃-2-酮 enterolactone 76543-15-2 C18H18O4
    3,4-二[(2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-十五氟-1-氧代辛基)氨基]苯磺酰氯 3,4-Bis((2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluoro-1-oxooctyl)amino)benzenesulphonyl chloride 24216-05-5 C22H5ClF30N2O4S
    3,4-二2H-1-苯并吡喃-6-胺 chroman-6-amine 50386-54-4 C9H11NO
    3,4-二-溴-7-氮杂吲哚 3,4-dibromo-1H-pyrrolo[2,3-b]pyridine 1000340-33-9 C7H4Br2N2
    3,4-二-乙酰基-D-木糖烯 3,4-di-O-acetyl-D-xylal 3152-43-0 C9H12O5
    3,4-二-O-苄基DL-苏式-屈昔多巴盐酸盐 3,4-Di-O-benzyl DL-threo-Droxidopa Hydrochloride 73594-43-1 C23H24ClNO5
    3,4-二-O-月桂酰-beta-D-呋喃果糖基2,3-二-O-月桂酰-alpha-D-吡喃葡萄糖苷 Sucrose tetralaurate 94031-22-8 C60H110O15
    3,4-二-O-乙酰基-D-葡萄糖醛 3,4-di-O-acetyl-D-glucal 82295-98-5 C10H14O6
    3,4-二-O-乙酰基-6-O-(叔丁基二甲基甲硅烷基)-D-半乳醛 3,4-di-O-acetyl-1,5-anhydro-6-O-t-butyldimethylsilyl-2-deoxy-D-lyxo-hex-1-enitol 136656-49-0 C16H28O6Si
    3,4-二-O-乙酰基-6-O-(叔丁基二甲基甲硅烷)-D-葡萄醛 3,4-Di-O-acetyl-6-O-(tert-butyldimethylsilyl)-D-glucal 117136-33-1 C16H30O8Si
    3,4-二-O-乙酰基-6-O-(三异丙基硅基)-D-葡烯糖 3,4-di-O-acetyl-6-O-triisopropylsilyl-D-glucal 308796-41-0 C19H34O6Si
    3,4-二-O-乙酰基-6-O-(三异丙基硅基)-D-半乳醛 3,4-di-O-acetyl-6-O-(trisisopropylsilyl)-D-galactal 312692-92-5 C19H34O6Si
    3,4-二-O-乙酰-1,5-酐-2,6-双脱氧-L-阿拉伯-己-1-糖醇 3,4-di-O-acetyl-6-deoxy-L-glucal 34819-86-8 C10H14O5
    3,4-二-(4-羟基苯基)-3-己烯 4,4'-二棕榈酸酯 4.4'-dipalmitoyloxy-α.α'-diethyl-<i>trans</i>-stilbene 6533-53-5 C50H80O4
    3,4-二(苯基)恶二唑-3-鎓-5-醇 3,4-diphenylsydnone 3815-83-6 C14H10N2O2
    3,4-二(苄氧基)苯甲酸甲酯 methyl 3,4-bis(benzyloxy)benzoate 54544-05-7 C22H20O4
    3,4-二(苄氧基)苯甲酸乙酯 ethyl 3,4-bis(benzyloxy)benzoate 174398-83-5 C23H22O4
    3,4-二(苄氧基)苯甲酸 3,4-bis(benzyloxy)benzoic acid 1570-05-4 C21H18O4
    3,4-二(苄氧基)苯甲酰氯 3,4-dibenzyloxybenzoyl chloride 1486-54-0 C21H17ClO3
    3,4-二(苄氧基)苄醇 3,4-bis(benzyloxy)benzyl alcohol 1699-58-7 C21H20O3
    3,4-二(苄基氨基)-3-环丁烯-1,2-二酮 3,4-bis(benzylamino)cyclobut-3-ene-1,2-dione 175204-25-8 C18H16N2O2
    3,4-二(羟基甲基)-6-甲氧基-6-甲基-1,6-二氢-2,5-吡啶二酮 3,4-bis(hydroxymethyl)-6-methoxy-6-methyl-1H-pyridine-2,5-dione 475571-47-2 C9H13NO5
    3,4-二(羟基甲基)-2,5-呋喃二酮 bis(hydroxymethyl)maleic anhydride 479035-71-7 C6H6O5
    3,4-二(甲硫基)硒吩 3,4-Bis(methylthio)selenophene 88589-46-2 C6H8S2Se
    3,4-二(甲基氨基)-噻吩 3,4-bis(methylamino)-thiophene 106944-00-7 C6H10N2S
    3,4-二(环己基氨基)-3-环丁烯-1,2-二酮 3,4-Bis(cyclohexylamino)-3-cyclobuten-1,2-dion 100749-12-0 C16H24N2O2
    3,4-二(溴甲基)呋喃 3,4-bis(bromomethyl)furan 146604-80-0 C6H6Br2O
    3,4-二(四氢吡喃-2-氧基)苯甲醛 3,4-bis(tetrahydro-2H-pyran-2-yloxy)benzaldehyde 61854-89-5 C17H22O5
    3,4-二(呋喃-2-基)-2,5-二甲基环戊-2,4-二烯-1-酮 3,4-Bis(furan-2-yl)-2,5-dimethylcyclopenta-2,4-dien-1-one 74054-20-9 C15H12O3
    3,4-二(吲哚-3-基)琥珀酸酐 3,4-Di(indol-3-yl)succinic anhydride 115684-56-5 C20H14N2O3
    3,4-二(吲哚-1-基)吡咯-2,5-二酮 3,4-bis(1H-indol-1-yl)-1H-pyrrole-2,5-dione 570431-92-4 C20H13N3O2
    3,4-二(叔丁氧基)-3-环丁烯-1,2-二酮 3,4-di-tert-butoxycyclobut-3-ene-1,2-dione 66478-66-8 C12H18O4