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    中文名称 英文名称 CAS号 化学式
    4,4-二氟丁-2-炔酸 4,4-difluoro-2-butynoic acid 110680-65-4 C4H2F2O2
    4,4-二氟-环己烷甲醇 (4,4-difluorocyclohexyl)methanol 178312-48-6 C7H12F2O
    4,4-二氟-环己烷乙胺 4,4-Difluorocyclohexaneethanamine 1054314-53-2 C8H15F2N
    4,4-二氟-[1,1-联苯]-3-羧酸 4,4'-difluoro-biphenyl-3-carboxylic acid 164164-26-5 C13H8F2O2
    4,4-二氟-L-正缬氨酸 (2S)-4,4-difluoronorvaline 148043-97-4 C5H9F2NO2
    4,4-二氟-DL-谷氨酸 DL-4,4-difluoroglutamic acid 173282-21-8 C5H7F2NO4
    4,4-二氟-8-吡啶基-1,3,5,7-四甲基-4-BORA-3A,4A-DIAZA-S-INDACENE (1,3,5,7-tetramethyl-8-(4-pyridyl)-4,4'-difluoroboradiazaindacene) 1134484-25-5 C18H18BF2N3
    4,4-二氟-8(3',4'-二羟基苯)-1,3,5,7-TETRAMETHYL-4-BORA-3A,4A-DIAZA-S-INDACENE 8-(3,4-dihydroxyphenyl)-1,3,5,7-tetramethyl-4,4-difluoro-4-bora-3a,4a-diaza-s-indacene 1150586-09-6 C19H19BF2N2O2
    4,4-二氟-6-氮杂螺[2.5]辛烷盐酸盐 4,4-difluoro-6-azaspiro[2.5]octane hydrochloride 1282532-00-6 C7H11F2N*ClH
    4,4-二氟-5-乙烯基螺<2.3>己烷 4,4-difluoro-5-vinylspiro<2.3>hexane 100207-89-4 C8H10F2
    4,4-二氟-5-(2'-甲氧基-乙氧基甲氧基)-癸-1,5,9-三烯-3-醇 4,4-difluoro-5-(2'-methoxy-ethoxymethoxy)-deca-1,5,9-trien-3-ol 1008799-37-8 C14H22F2O4
    4,4-二氟-4-苯基丁基乙酸酯 4,4-difluoro-4-phenylbutyl acetate 1021157-26-5 C12H14F2O2
    4,4-二氟-3-甲基哌啶盐酸盐 4,4-difluoro-3-methylpiperidine hydrochloride 1434141-99-7 C6H11F2N*ClH
    4,4-二氟-3-氧代-2-(哌啶-1-基亚甲叉)丁酸乙酯 ethyl 4,4-difluoro-3-oxo-2-piperidin-1-ylmethylbutyrate 1193579-15-5 C12H17F2NO3
    4,4-二氟-2-甲基哌啶盐酸盐 4,4-difluoro-2-methylpiperidin 1234616-37-5 C6H11F2N
    4,4-二氟-2-甲基哌啶盐酸 4,4-difluoro-2-methylpiperidine hydrochloride 1378571-68-6 C6H11F2N*ClH
    4,4-二氟-1-苯基环己烷甲腈 4,4-Difluoro-1-phenylcyclohexanecarbonitrile 1246744-42-2 C13H13F2N
    4,4-二氟-1-羟基环己烷-1-羧酸 4,4-difluoro-1-hydroxycyclohexanecarboxylic acid 1075221-15-6 C7H10F2O3
    4,4-二氟-1-羟基环己烷-1-甲腈 4,4-difluoro-1-hydroxycyclohexanecarbonitrile 1150617-90-5 C7H9F2NO
    4,4-二氟-1-甲基-3-(4-丙氧基苯乙烯基)-4-硼-3a,4a-二氮杂对称引达省 (E)-5,5-difluoro-9-methyl-7-(4-propoxystyryl)-5H-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-4-ium-5-uide 1201643-08-4 C21H21BF2N2O
    4,4-二氟-1-(羟甲基)环己-1-醇 4,4-difluoro-1-(hydroxymethyl)cyclohexanol 1256545-48-8 C7H12F2O2
    4,4-二氟-1-(4-甲基苯基)丁烷-1,3-二酮 4,4-Difluoro-1-(4-methylphenyl)butane-1,3-dione 165328-11-0 C11H10F2O2
    4,4-二氟-1-(2-呋喃基)-1,3-戊二酮 4,4-difluoro-1-(2-furyl)-1,3-pentanedione 1024599-20-9 C9H8F2O3
    4,4-二氟-1,4,5,7-四氢吡喃并[3,4-C]吡唑 4,4-Difluoro-1,4,5,7-tetrahydropyrano[3,4-c]pyrazole 1391732-92-5 C6H6F2N2O
    4,4-二氟-1,3-二甲基-4-硼-3a,4a-二氮杂对称引达省 1,3-dimethyl 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene 154793-49-4 C11H11BF2N2
    4,4-二己氧基联苯 4,4'-Dihexyloxy-1,1'-biphenyl 142450-58-6 C24H34O2
    4,4-二己基-2,2-联噻唑 4,4'-dihexyl 2,2'-bithiazole 180729-92-4 C18H28N2S2
    4,4-二乙酰基-1-羟基-2-氮杂环丁酮 1,1'-(1-Hydroxy-4-oxoazetidine-2,2-diyl)diethanone 141942-33-8 C7H9NO4
    4,4-二乙氧基-3-羟基-丁酸 4,4-diethoxy-3-hydroxy-butyric acid 10495-42-8 C8H16O5
    4,4-二乙氧基-3-氧代丁酸乙酯 ethyl 4,4-diethoxyacetoacetate 10495-09-7 C10H18O5
    4,4-二乙氧基-2-氨基丁炔 4,4-Diethoxy-but-2-ynylamine 124744-14-5 C8H15NO2
    4,4-二乙氧基-1-苯乙基-哌啶 4,4-diethoxy-1-phenethyl-piperidine 101745-47-5 C17H27NO2
    4,4-二乙氧基-1-丁烯 3-butenal 1,1-diethylacetal 10602-36-5 C8H16O2
    4,4-二乙基联苯 4,4'-diethylbiphenyl 13049-40-6 C16H18
    4,4-二乙基-咪唑烷-2-酮 4,4-diethyl-imidazolidin-2-one 100949-25-5 C7H14N2O
    4,4-二乙基-2-(3,4,5-三甲氧基苯甲酰基)-1,2-恶唑烷-3,5-二酮 2-(3,4,5-trimethoxybenzoyl)-4,4-diethyl-3,5-isoxazolidinedione 124756-24-7 C17H21NO7
    4,4-二乙基-2,2-二甲基-1-氧代-3H-吡咯-1-鎓 3,3-diethyl-5,5-dimethylpyrroline 1-oxide 111904-11-1 C10H19NO
    4,4-二乙基-1-苯基-2-丙基-吡唑烷-3,5-二酮 4,4-diethyl-1-phenyl-2-propyl-pyrazolidine-3,5-dione 101275-33-6 C16H22N2O2
    4,4-二乙基-1-异丙基-2-(1-甲基-[4]哌啶基)-吡唑烷-3,5-二酮 4,4-diethyl-1-isopropyl-2-(1-methyl-[4]piperidyl)-pyrazolidine-3,5-dione 101433-51-6 C16H29N3O2
    4,4-二丙基庚烷 4,4-Di(propan-2-yl)heptane 17312-72-0 C13H28
    4,4-二丙基-2,6-哌啶二酮 4,4-Dipropyl-2,6-piperidinedione 1132-96-3 C11H19NO2
    4,4-二丁氧基-丁-1-烯 4,4-dibutoxy-but-1-ene 100038-32-2 C12H24O2
    4,4-二-2-乙基己基-二硫代[3,2-b：2'，3'-d]甲硅烷基 4,4'-bis(2-ethylhexyl)-dithieno[3,2-b:2',3'-d]silole 1207627-85-7 C24H38S2Si
    4,4-二(苯基磺酰基)-1,2-双(亚甲基)环戊烷 4,4-di(phenylsulphonyl)-1,2-bis(methylene)cyclopentane 100780-35-6 C19H18O4S2
    4,4-[(4S,5R)-4,5-二羟基-1-戊炔-1,5-二基]双-1,2-苯二醇 nyasicol 111518-95-7 C17H16O6
    4,4-(蒽-9,10-二基双(乙炔-2,1-二基))二苯甲醛 9,10-bis(4-formylphenylethynyl)anthracene 1361119-48-3 C32H18O2
    4,4-(哌嗪-1,4-二基)双(丁烷-1-磺酸) 1,4-bis(4-sulfobutyl)piperazinium 16045-14-0 C12H26N2O6S2
    4,4-(哌嗪-1,4-二基)二苯甲醛 N,N'-di(4-formylphenyl)piperazine 10159-39-4 C18H18N2O2
    4,4-(乙烯二氧基)-1-叔丁氧羰基哌啶 tert-butyl 1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate 123387-51-9 C12H21NO4
    4,4-(2-甲基亚丙基)苯二酚 1,1-bis(4'-hydroxyphenyl)-2-methylpropane 1844-00-4 C16H18O2