| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4,5alpha-环氧-6alpha-甲氧基-17-甲基吗喃-3-醇 | 4,5α-epoxy-6α-methoxy-17-methyl-morphinan-3-ol | 7732-92-5 | C18H23NO3 |
| 4,5alpha-环氧-6alpha-乙氧基-17-甲基吗喃-3-醇 | Dihydromorphine alcoholic ethyl ether | 7505-40-0 | C19H25NO3 |
| 4,5-苯并三环[4.1.0.01,3]庚-4-烯 | 4,5-benzotricyclo<4.1.0.0<sup>1,3</sup>>hept-4-ene | 74410-87-0 | C11H10 |
| 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 |