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    中文名称 英文名称 CAS号 化学式
    4,4-二羧基-5-甲基脯氨酸 4,4-dicarboxy-5-methylproline 80570-91-8 C8H11NO6
    4,4-二羟基丁醛 4,4-Dihydroxybutyraldehyde 84000-90-8 C4H8O3
    4,4-二甲氧基哌啶-3-醇 4,4-dimethoxypiperidin-3-ol 84100-50-5 C7H15NO3
    4,4-二甲氧基-3-甲基-2-丁烯酸乙酯 ethyl 4,4-dimethoxy-3-methylbut-2-enoate 83803-81-0 C9H16O4
    4,4-二甲氧基-3-(苯基甲氧基)哌啶-1-羧酸乙酯 ethyl 4,4-dimethoxy-3-(phenylmethoxy)-1-piperidinecarboxylate 84176-72-7 C17H25NO5
    4,4-二甲氧基-1-苯基-3-哌啶醇 1-phenylmethyl-3-hydroxy-4,4-dimethoxypiperidine 83763-31-9 C14H21NO3
    4,4-二甲基辛-6,7-二烯-2-酮 4,4-dimethyl-6,7-octadien-2-one 88726-44-7 C10H16O
    4,4-二甲基环戊烷-1,2-二酮 4,4-dimethylcyclopentane-1,2-dione 89897-95-0 C7H10O2
    4,4-二甲基环己烯-1-基硼酸 (4,4-dimethylcyclohex-1-en-1-yl)boronic acid 865869-28-9 C8H15BO2
    4,4-二甲基环己基-1,5-二烯-1-硼酸频哪酯 2-(4,4-dimethylcyclohexa-1,5-dien-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 871333-97-0 C14H23BO2
    4,4-二甲基异噁唑-3-酮 4,4-dimethylisoxazolidin-3-one 81778-07-6 C5H9NO2
    4,4-二甲基二苯基甲醇 4,4'-dimethylbenzhydrol 885-77-8 C15H16O
    4,4-二甲基-6-羟基-2-己烯酸 4,4-dimethyl-6-hydroxy-2-hexenoic acid 82351-49-3 C8H14O3
    4,4-二甲基-6-乙酰基苯并二氢吡喃 4,4-Dimethylchroman-6-yl Methyl Ketone 88579-19-5 C13H16O2
    4,4-二甲基-5-亚甲基-2-丙基-1,3-二氧戊环 4,4-Dimethyl-5-methylidene-2-propyl-1,3-dioxolane 89995-45-9 C9H16O2
    4,4-二甲基-3-亚甲基戊酸 4,4-dimethyl-3-methylenepentanoic acid 84817-86-7 C8H14O2
    4,4-二甲基-2-苯基咪唑 4,4-dimethyl-2-phenyl-4H-imidazole 89002-63-1 C11H12N2
    4,4-二甲基-2-苯基-1,3-噻唑-5-硫酮 4,4-dimethyl-2-phenyl-1,3-thiazole-5(4H)-thione 81837-94-7 C11H11NS2
    4,4-二甲基-2-(5-甲基-1-氧杂螺[2.5]辛-2-基)-4,5-二氢-1,3-恶唑 4,4-Dimethyl-2-(5-methyl-1-oxaspiro[2.5]octan-2-yl)-4,5-dihydro-1,3-oxazole 831224-99-8 C13H21NO2
    4,4-二甲基-2-(3-硝基苯基)-4,5-二氢-1,3-恶唑 4,4-dimethyl-2-(3-nitrophenyl)-4,5-dihydrooxazole 82998-95-6 C11H12N2O3
    4,4-二甲基-2-(2,4,5-三氟-3-甲氧基苯基)-4,5-二氢-1,3-恶唑 2-(2,4,5-trifluoro-3-methoxyphenyl)-4,4-dimethyl-oxazoline 865246-09-9 C12H12F3NO2
    4,4-二甲基-1-苯基戊-2-炔基乙酸酯 4,4-dimethyl-1-phenylpent-2-ynyl acetate 866562-21-2 C15H18O2
    4,4-二甲基-1-氧代-1,2,3,4-四氢-2-萘甲酸 1,2-Dihydro-4,4-dimethyl-1-oxo-2-naphthalenecarboxylic acid 88296-21-3 C13H14O3
    4,4-二甲基-1-(三甲基甲硅烷基)-2-戊炔 4,4-dimethyl-1-(trimethylsilyl)-2-pentyne 84140-30-7 C10H20Si
    4,4-二甲基-1-(2-硝基苯基)-2,3-二氢喹啉 4,4-dimethyl-1-(2-nitro-phenyl)-1,2,3,4-tetrahydroquinoline 870072-60-9 C17H18N2O2
    4,4-二甲基-1,5-环己二烯基硼酸单钠盐 4,4-Dimethylcyclohexa-1,5-dienylboronic acid, monosodium salt 871329-70-3 C8H12BNaO2
    4,4-二甲基-1,5-二氧杂螺[5.5]十一烷 2,2-dimethyl-1,5-dioxaspiro<5.5>undecane 82815-98-3 C11H20O2
    4,4-二甲基-1(4H)-吡啶甲腈 1,4-Dihydro-4,4-dimethyl-1-pyridincarbonitril 84567-25-9 C8H10N2
    4,4-二溴间三联苯 4,4''-dibromo-m-terphenyl 83909-22-2 C18H12Br2
    4,4-二溴-2,2-二碘联苯 4,4'-dibromo-2,2'-diiodobiphenyl 852138-89-7 C12H6Br2I2
    4,4-二氯-3-甲基丁-1-烯 4,4-dichloro-3-methyl-1-butene 88226-91-9 C5H8Cl2
    4,4-二氯-1-(吗啉-4-基)丁-3-烯-1,2-二酮 4,4-dichloro-1-(morpholin-4-yl)but-3-ene-1,2-dione 85839-49-2 C9H11Cl2NO3
    4,4-二氟哌啶-1-胺 4,4-difluoropiperidin-1-amine 811441-26-6 C5H10F2N2
    4,4-二氟丁烷-1-胺盐酸盐 4,4-difluorobutan-1-amine hydrochloride 811842-33-8 C4H9F2N*ClH
    4,4-二氟-3-甲基环戊烯 4,4-difluoro-3-methylcyclopentene 80997-35-9 C6H8F2
    4,4-二氟-3-氧代丁酸甲酯 4,4-difluoro-3-oxo-butanoic acid methyl ester 89129-66-8 C5H6F2O3
    4,4-二氟-3-己酮 4,4-difluoro-3-hexanone 87176-61-2 C6H10F2O
    4,4-二氟-2-戊酮 4,4-difluoro-2-pentanone 86154-50-9 C5H8F2O
    4,4-二氟-2-己酮 4,4-difluoro-2-hexanone 86154-55-4 C6H10F2O
    4,4-二氟-1-哌啶硫代甲酰胺 4,4-difluoropiperidine-1-carbothioamide 860344-90-7 C6H10F2N2S
    4,4-二己基-5,5-二(噻吩-2-基)-2,2-联噻唑 4,4'-dihexyl-5,5'-di(thiophen-2-yl)-2,2'-bithiazole 853722-90-4 C26H32N2S4
    4,4-二乙氧基-3-甲基丁-1-炔 1-Butyne, 4,4-diethoxy-3-methyl- 81505-30-8 C9H16O2
    4,4-二乙氧基-2-甲基戊-2-烯 4,4-Diethoxy-2-methyl-pent-2-ene 823789-24-8 C10H20O2
    4,4-二(1H-咪唑-1-基)-1,1-联苯 4,4'-bis-(1H-imidazol-1-yl)biphenyl 855766-92-6 C18H14N4
    4,4-(二甲基环己烯-1-基)硼酸频那醇酯 2-(4,4-dimethylcyclohex-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 859217-67-7 C14H25BO2
    4,4,6-三乙基-1,3-二氢嘧啶-2-硫酮 4,4,6-triethyl-1,2,3,4-tetrahydropyrimidine-2-thione 89187-92-8 C10H18N2S
    4,4,5-三甲基-2-苯基咪唑 4,4,5-trimethyl-2-phenyl-4H-imidazole 89002-68-6 C12H14N2
    4,4,5,5-四甲基-己-1-烯 4,4,5,5-tetramethyl-hex-1-ene 875247-69-1 C10H20
    4,4,5,5-四甲基-3-苯基-1,2-噻唑 3-phenyltetramethylisothiazoline 89767-72-6 C13H17NS
    4,4,5,5-四甲基-3-噻吩-2-基-1,2-噻唑 4,4,5,5-Tetramethyl-3-(thiophen-2-yl)-4,5-dihydro-1,2-thiazole 89767-76-0 C11H15NS2