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中文名称 英文名称 CAS号 化学式
4,5-环氧-1-乙炔基-1,5-二甲基己基乙酸酯 4,5-epoxy-1-ethynyl-1,5-dimethylhexyl acetate 77743-54-5 C12H18O3
4,5-己二烯酸 4,5-hexadienoic acid 72038-67-6 C6H8O2
4,5-己二烯-1-基三甲基甲硅烷基醚 4,5-hexadien-1-yl trimethylsilyl ether 72038-66-5 C9H18OSi
4,5-哒嗪二胺,3-乙氧基- N<sup>1</sup>-{6-[(2,3-dihydroxybenzoyl)amino]hexyl}-2,3-dihydroxybenzamide 73630-99-6 C20H24N2O6
4,5-双-(4-甲氧基苯基)-噁唑-2-胺 4,5-Bis-(4-methoxy-phenyl)-oxazol-2-ylamine 77151-48-5 C17H16N2O3
4,5-双(溴甲基)菲 4,5-Di(brommethyl)phenanthren 7495-41-2 C16H12Br2
4,5-双(5-己基噻吩-2-基)噻吩-2-甲醛 5,5''-dihexyl-[2,2';3',2'']terthiophene-5'-carbaldehyde 705240-03-5 C25H32OS3
4,5-双(4-甲氧基苯基)-2-苯基-1H-咪唑 4,5-bis(4-methoxyphenyl)-2-phenylimidazole 7044-99-7 C23H20N2O2
4,5-去氢尼立达唑 4,5-Dehydroniridazole 72589-89-0 C6H4N4O3S
4,5-仲二氢睾酮 17β-Hydroxy-4,5-secoandrostan-3-one 76760-84-4 C19H32O2
4,5-亚甲基二硫代-1,3-二硫杂环戊烯-2-硫酮 1,3,4,6-tetrathiapentalene-2-thione 70800-59-8 C4H2S5
4,5-二苯基-1H-吡咯-3-羧酸乙酯 ethyl 4,5-diphenyl-1H-pyrrole-3-carboxylate 73799-68-5 C19H17NO2
4,5-二羟基-2-硝基苯甲醛 4,5-dihydroxy-2-nitrobenzaldehyde 73635-75-3 C7H5NO5
4,5-二羟基-1-(5-硝基-2-噻唑基)-2-咪唑烷酮 4,5-Dihydroxy-1-(5-nitro-2-thiazolyl)-2-imidazolidinone 72589-87-8 C6H6N4O5S
4,5-二碘苯-1,2-二胺 1,2-diamino-4,5-diiodobenzene 76179-43-6 C6H6I2N2
4,5-二碘-2-甲基咪唑 4,5-diiodo-2-methyl-1H-imidazole 73746-44-8 C4H4I2N2
4,5-二硝基-1,2-苯二酚 1,2-dihydroxy-4,5-dinitrobenzene 77400-30-7 C6H4N2O6
4,5-二甲氧基-2-硝基苯乙酸 (4,5-dimethoxy-2-nitrophenyl)acetic acid 73357-18-3 C10H11NO6
4,5-二甲氧基-2-硝基甲苯 1,2-dimethoxy-4-methyl-5-nitrobenzene 7509-11-7 C9H11NO4
4,5-二甲氧基-2-硝基-苯酚 4,5-Dimethoxy-2-nitro-phenol 7158-91-0 C8H9NO5
4,5-二甲氧基-2-甲基苯甲醛 4,5-dimethoxy-2-methylbenzaldehyde 7721-62-2 C10H12O3
4,5-二甲氧基-2,3-二硝基-甲苯 4,5-dimethoxy-2,3-dinitro-toluene 7509-10-6 C9H10N2O6
4,5-二甲氧基-1H-茚-1-酮 4,5-dimethoxy-2-inden-1-one 700348-67-0 C11H10O3
4,5-二甲氧基-1-(氨基甲基)苯并环丁烷 1-(aminomethyl)-4,5-dimethoxybenzocyclobutene 73344-75-9 C11H15NO2
4,5-二甲基辛-4-烯 4,5-Dimethyloct-4-ene 79965-42-7 C10H20
4,5-二甲基异恶唑 4,5-Dimethyl-isoxazol 7064-40-6 C5H7NO
4,5-二甲基己-1,4-二烯 4,5-Dimethyl-1,4-hexadien 760-76-9 C8H14
4,5-二甲基噻唑-2-羧酸 4,5-dimethylthiazole-2-carboxylic acid 79312-41-7 C6H7NO2S
4,5-二甲基噻唑-2-甲醛 4,5-dimethylthiazole-2-carbaldehyde 74531-15-0 C6H7NOS
4,5-二甲基-9-吖啶胺 5-Amino-1,9-dimethylacridin 7132-66-3 C15H14N2
4,5-二甲基-3,5-环己二烯-1,2-二酮二肟 N-(4,5-dimethyl-2-nitrosophenyl)hydroxylamine 70952-43-1 C8H10N2O2
4,5-二甲基-2-噻吩甲醇 2-hydroxymethyl-4,5-dimethylthiophene 74379-21-8 C7H10OS
4,5-二环氧-3-甲基-四氢呋喃 (1S,2R,4S,6R)-1-Methyl-3,5,7-trioxa-tricyclo[4.1.0.0<sup>2,4</sup>]heptane 72720-04-8 C5H6O3
4,5-二溴鄰胺苯甲酸 2-amino-4,5-dibromobenzoic acid 75057-62-4 C7H5Br2NO2
4,5-二溴戊酸 4,5-dibromopentanoic acid 78181-02-9 C5H8Br2O2
4,5-二溴噻吩-2-磺酰胺 2,3-dibromo-5-thiophenesulfonamide 77893-69-7 C4H3Br2NO2S2
4,5-二溴-6-三氟甲基嘧啶 4,5-dibromo-6-(trifluoromethyl)pyrimidine 785777-94-8 C5HBr2F3N2
4,5-二溴-2-(吡啶-2-基)哒嗪-3(2H)-酮 4,5-dibromo-2-pyridine-2-ylpyridazin-3(2H)-one 78389-21-6 C9H5Br2N3O
4,5-二溴-2,3-二羟基苯甲酸 4,5-dibromo-2,3-dihydroxybenzoic acid 72517-17-0 C7H4Br2O4
4,5-二溴-1H-咪唑-2-羧酸乙酯 ethyl 4,5-dibromoimidazole-2-carboxylate 74840-99-6 C6H6Br2N2O2
4,5-二氯吡啶-2-甲酸 4,5-dichloro-pyridine-2-carboxylic acid 73455-13-7 C6H3Cl2NO2
4,5-二氯-6-甲基嘧啶-2-胺 4,5-dichloro-6-methylpyrimidin-2-amine 7749-60-2 C5H5Cl2N3
4,5-二氯-2-苯基咪唑 4,5-Dichlor-2-phenylimidazol 72796-33-9 C9H6Cl2N2
4,5-二氯-2-硝基甲苯 1,2-dichloro-4-methyl-5-nitrobenzene 7494-45-3 C7H5Cl2NO2
4,5-二氯-2-甲基三氟甲苯 1,2-Cl2-4-CF3-5-MeC6H2 74483-51-5 C8H5Cl2F3
4,5-二氯-2-(3-氯-4-氟苯基)-2,3-二氢吡嗪-3-酮 2-(3-chloro-4-fluorophenyl)-4,5-dichloropyridazin-3-one 72396-65-7 C10H4Cl3FN2O
4,5-二氯-2-(3,4-二氟苯基)哒嗪-3-酮 4,5-dichloro-2-(3,4-difluoro-phenyl)-2<i>H</i>-pyridazin-3-one 72396-61-3 C10H4Cl2F2N2O
4,5-二氯-2-(2-吡啶基)哒嗪-3-酮 4,5-dichloro-2-pyridine-2-ylpyridazin-3(2H)-one 78389-19-2 C9H5Cl2N3O
4,5-二氯-2,3-二羟基苯甲醛 4,5-Dichloro-2,3-dihydroxybenzaldehyde 73275-97-5 C7H4Cl2O3
4,5-二氯-2,3-二羟基苯甲腈 4,5-Dichloro-2,3-dihydroxybenzonitrile 73275-91-9 C7H3Cl2NO2