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    中文名称 英文名称 CAS号 化学式
    5,5-二溴巴比妥酸 5,5-dibromobarbituric acid 511-67-1 C4H2Br2N2O3
    5,5-二溴-6-羟基二氢-2,4(1H,3H)-嘧啶二酮 5,5-dibromo-6-hydroxy-5,6-dihydrouracil 1124-83-0 C4H4Br2N2O3
    5,5-二溴-4,4-二壬基-2,2-联噻唑 5,5'-dibromo-4,4'-dinonyl-2,2'-bithiazole 172100-44-6 C24H38Br2N2S2
    5,5-二溴-2,2-二甲基-4,6-二酮-1,3-二氧杂环己烷 2,2-dimethyl-5,5-dibromo-1,3-dioxane-4,6-dione 66131-14-4 C6H6Br2O4
    5,5-二氰基-3-(4-磺丁基)-1,1,3-三乙基咪唑羰花青内胺盐 5,5'-Dicyano-3-(4-sulfobutyl)-1,1',3'-triethylimidacarbocyanine betaine 32634-36-9 C29H32N6O3S
    5,5-二氯戊-2,4-二烯-2-醇乙酸酯 Acetic acid;5,5-dichloropenta-2,4-dien-2-ol 111837-32-2 C7H10Cl2O3
    5,5-二氯巴比妥酸 5,5-Dichlor-barbitursaeure 699-40-1 C4H2Cl2N2O3
    5,5-二氯双环[2.2.1]庚-2-烯 5,5-dichloro-norborn-2-ene 4634-77-9 C7H8Cl2
    5,5-二氯二苯并碲吩 5,5-dichlorodibenzotellurophene 1818-18-4 C12H8Cl2Te
    5,5-二氯三环[7.1.0.04,6]癸烷 5,5-dichlorotricyclo[7.1.0.04,6]decane 42067-99-2 C10H14Cl2
    5,5-二氯三环[7.1.0.04,6]癸烷 10,10-dichlorotricyclo<7.1.0.0<sup>4,6</sup>>decane 42067-99-2 C10H14Cl2
    5,5-二氯-戊-4-烯基胺 5,5-dichloro-pent-4-enylamine 408352-34-1 C5H9Cl2N
    5,5-二氯-N,N-二甲基-3-氧代-4-戊烯硫代酰胺 5,5-Dichloro-3-oxo-pent-4-enethioic acid dimethylamide 119671-29-3 C7H9Cl2NOS
    5,5-二氯-6-苯基-2,3,4,5-四氢吡啶 5,5-dichloro-6-phenyl-3,4-dihydro-2H-pyridine 176173-82-3 C11H11Cl2N
    5,5-二氯-6-氧代-2-氮杂螺[3.3]庚烷-2-羧酸叔丁酯 tert-butyl 5,5-dichloro-6-oxo-2-azaspiro[3.3]-heptane-2-carboxylate 1239320-10-5 C11H15Cl2NO3
    5,5-二氯-6,6-二氟-二环[2.2.2]辛-2-烯 5,5-Dichloro-6,6-difluoro-bicyclo[2.2.2]oct-2-ene 10033-89-3 C8H8Cl2F2
    5,5-二氯-5-硝基-戊酸 5,5-Dichloro-5-nitropentanoic acid 1026294-98-3 C5H7Cl2NO4
    5,5-二氯-5-氰基戊基苯基醚 5,5-dichloro-5-cyanopentyl phenyl ether 1030918-10-5 C12H13Cl2NO
    5,5-二氯-4-甲氧基戊-3-烯-2-酮 (<i>Z</i>)-5,5-dichloro-4-methoxy-pent-3-en-2-one 61203-74-5 C6H8Cl2O2
    5,5-二氯-3,3-二硝基-6-(2-苯基乙基)环己烯 2,2'-dichloro-4,4'-dinitro-bibenzyl 105222-71-7 C14H10Cl2N2O4
    5,5-二氯-2,2'-联苯二醇 5,5-Dichloro-4,5-dihydro[1,1'-biphenyl]-2,2'-diol 31113-52-7 C12H10Cl2O2
    5,5-二氟环己烷-1,3-二羧酸二甲酯 5,5-difluoro-cyclohexane-1,3-dicarboxylic acid dimethyl ester 1296114-57-2 C10H14F2O4
    5,5-二氟樟脑 5,5-Difluorocamphor 93264-02-9 C10H14F2O
    5,5-二氟戊-2-烯 5,5-Difluoropent-2-ene 92901-65-0 C5H8F2
    5,5-二氟庚烷-3-酮 5,5-difluoroheptan-3-one 1342797-22-1 C7H12F2O
    5,5-二氟哌啶-3-羧酸甲酯盐酸盐 Methyl 5,5-difluoropiperidine-3-carboxylate hydrochloride 1359656-87-3 C7H12ClF2NO2
    5,5-二氟哌啶-2-酮 5,5-difluoropiperidin-2-one 1255666-50-2 C5H7F2NO
    5,5-二氟-癸烷 5,5-difluoro-decane 37161-72-1 C10H20F2
    5,5-二氟-8-甲酰基-1,3,7,9-四甲基-10-苯基-5H-二吡咯并[1,2-C:2',1'-F][1,3,2]二氮杂硼烷-4-鎓-5-硼 2-formyl-8-phenyl-1,3,5,7-tetramethyl-4-bora-3a,4a-diaza-s-indecene 1189166-58-2 C20H19BF2N2O
    5,5-二氟-4-氧代戊酸乙酯 ethyl 5,5-difluoro-4-oxopentanoate 1161004-57-4 C7H10F2O3
    5,5-二氟-4,5,6,7-四氢-1H-吲哚-2-甲酸乙酯 Ethyl 5,5-difluoro-4,5,6,7-tetrahydro-1H-indole-2-carboxylate 1263082-55-8 C11H13F2NO2
    5,5-二氟-3-己酮 5,5-difluoro-3-hexanone 86154-54-3 C6H10F2O
    5,5-二氟-2-苯基-戊-4-烯酸 5,5-difluoro-2-phenylpent-4-enoic acid 105074-24-6 C11H10F2O2
    5,5-二氟-2-氮杂螺[3.3]庚烷三氟乙酸盐 5,5-difluoro-2-azaspiro[3.3]heptan-2-ium 2,2,2-trifluoroacetate 1523617-85-7 C2HF3O2*C6H9F2N
    5,5-二氟-2-氮杂双环[2.2.1]庚烷盐酸盐 5,5-Difluoro-2-azabicyclo[2.2.1]heptane hydrochloride 1783656-28-9 C6H10ClF2N
    5,5-二氟-2-氧代-环己烷羧酸乙酯 ethyl 5,5-difluoro-2-oxocyclohexanecarboxylate 22515-17-9 C9H12F2O3
    5,5-二氟-2,8-二碘-1,3,7,9-四甲基-10-苯基-5H-二吡咯并[1,2-C:2,1-F][1,3,2]二氮杂硼烷-4-鎓-5-硼 2,6-diiodo-4,4-difluoro-1,3,5,7-tetramethyl-8-phenyl-4-bora-3a,4a-diaza-s-indacene 1083009-44-2 C19H17BF2I2N2
    5,5-二氟-2,8-二碘-1,3,7,9,10-五甲基-5H-二吡咯并[1,2-c:2',1'-f][1,3,2]二氮杂硼烷 4,4-difluoro-2,6-diiodo-1,3,5,7,8-pentamethyl-4-bora-3a,4a-diaza-s-indacene 1031443-55-6 C14H15BF2I2N2
    5,5-二氟-2,7-二氮杂螺[3.5]壬烷-2-羧酸叔丁酯 tert-butyl 5,5-difluoro-2,7-diazaspiro[3.5]nonane-2-carboxylate 2007920-32-1 C12H20F2N2O2
    5,5-二氟-1-甲基-1,5-二氢-2H-吡咯-2-酮 5,5-difluoro-1-methyl-3-pyrrolin-2-one 363152-96-9 C5H5F2NO
    5,5-二氟-1,4-戊烷二胺 1-difluoromethyl-1,4-butanediamine 86120-58-3 C5H12F2N2
    5,5-二氟-1,3-哌啶二羧酸叔丁酯 1-(tert-butoxycarbonyl)-5,5-difluoropiperidine-3-carboxylic acid 1255666-86-4 C11H17F2NO4
    5,5-二氟-1,3,7,9-四甲基-10-苯基-2,8-二(吡啶-4-基)-5H-二吡咯并[1,2-C:2',1'-F][1,3,2]二氮杂硼菊酯-4-鎓-5-硼 5,5-Difluoro-1,3,7,9-tetramethyl-10-phenyl-2,8-di(pyridin-4-yl)-5H-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-4-ium-5-uide 1337979-86-8 C29H25BF2N4
    5,5-二戊基-2,4,6(1H,3H,5H)-嘧啶三酮 5,5-dipentyl-barbituric acid 66941-19-3 C14H24N2O3
    5,5-二异丙基-4,5-二氢-1,2,3-噻二唑 5,5-diisopropyl-4,5-dihydro-1,2,3-thiadiazole 127934-61-6 C8H16N2S
    5,5-二异丙基-2-甲氧基-3-甲基-1,3-恶唑烷-4-酮 5,5-diisopropyl-2-methoxy-3-methyl-oxazolidin-4-one 56440-38-1 C11H21NO3
    5,5-二异丙基-1,3-恶唑烷-2,4-二酮 5,5-diisopropyl-oxazolidine-2,4-dione 130689-83-7 C9H15NO3
    5,5-二异丁基-四氢-嘧啶-2-酮 5,5-diisobutyl-tetrahydro-pyrimidin-2-one 105903-73-9 C12H24N2O
    5,5-二异丁基-咪唑烷-2,4-二酮 5,5-Diisobutyl-hydantoin 36033-48-4 C11H20N2O2
    5,5-二噻吩基-2-咪唑烷-2,4-二酮 5,5-di-(2-thienyl)-hydantoin 62032-07-9 C11H8N2O2S2