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中文名称 英文名称 CAS号 化学式
4,5-二溴-2-噻吩羧酸乙酯 ethyl 4,5-dibromo-2-thiophenecarboxylate 62224-25-3 C7H6Br2O2S
4,5-二溴-1-甲基-1H-吡咯-2-羧酸 4,5-dibromo-1-methyl-1H-pyrrole-2-carboxylic acid 66067-06-9 C6H5Br2NO2
4,5-二溴-1-(2-苯基乙基)吡咯-2-羧酸 4,5-Dibromo-1-(2-phenethyl)pyrrole-2-carboxylic Acid 62541-35-9 C13H11Br2NO2
4,5-二溴-1,2-二氢哒嗪-3,6-二酮 4,5-dibromo-1,2-dihydro-pyridazine-3,6-dione 6958-60-7 C4H2Br2N2O2
4,5-二氯苯并[C][1,2,5]噻二唑 4,5-dichloro-benzo[1,2,5]thiadiazole 6662-87-9 C6H2Cl2N2S
4,5-二氯嘧啶 4,5-dichloropyrimidine 6554-61-6 C4H2Cl2N2
4,5-二氯哒嗪-3,6-二醇 4,5-dichloromaleic hydrazide 6641-32-3 C4H2Cl2N2O2
4,5-二氯全氟(2,2-二甲基-1,3-二氧戊环) 2,2-bis(trifluoromethyl)-4,5-dichloro-4,5-difluoro-1,3-dioxolane 60644-92-0 C5Cl2F8O2
4,5-二氯-N-辛基-4-异噻唑啉-3-酮 Sea-Nine 211 64359-81-5 C11H17Cl2NOS
4,5-二氯-N-辛基-3-异噻唑啉酮 10b,11-Dihydro-10b-hydroxy-6H-pyrido<4',3'-4,5>pyrrolo<2,1-a>isoindol-6-on 64959-81-5 C14H10N2O2
4,5-二氯-N-乙基-2-硝基苯胺 N-Ethyl-4,5-dichlor-2-nitro-anilin 63059-56-3 C8H8Cl2N2O2
4,5-二氯-3-噻吩羧醛 4,5-dichlorothiophene-3-carbaldehyde 61200-59-7 C5H2Cl2OS
4,5-二氯-2-硝基苯胺 4,5-Dichloro-2-nitroaniline 6641-64-1 C6H4Cl2N2O2
4,5-二氯-2-甲氧基苯胺 2-methoxy-4,5-dichloroaniline 60468-21-5 C7H7Cl2NO
4,5-二氯-2-甲氧基吡啶 4,5-dichloro-2-methoxypyridine 688047-08-7 C6H5Cl2NO
4,5-二氯-2-甲基-喹啉 4,5-dichloro-2-methyl-quinoline 63010-74-2 C10H7Cl2N
4,5-二氯-2-噻吩羧醛 4,5-dichlor-2-thiophenecarboxaldehyde 67482-49-9 C5H2Cl2OS
4,5-二氯-2-乙氧基苯酚 2-ethoxy-4,5-dichloro-phenol 671779-34-3 C8H8Cl2O2
4,5-二氯-2-(三氟甲基)-1,3-噻唑 4,5-dichloro-2-(trifluoromethyl)thiazole 62019-49-2 C4Cl2F3NS
4,5-二氯-2-(4-三氟甲基苯基)哒嗪-3-酮 4,5-dichloro-2-(4-trifluoromethylphenyl)-3(2H)-pyridazinone 62436-07-1 C11H5Cl2F3N2O
4,5-二氯-2-(2,4,5-三氯苯氧基)苯酚 2,4,4',5,5'-Pentachlor-2'-hydroxydiphenylether 61639-90-5 C12H5Cl5O2
4,5-二氯-2,3-二氢-1H-茚-1-胺 4,5-dichloro-1-aminoindane 67236-34-4 C9H9Cl2N
4,5-二氯-2,2-二氟-1,3-二氧戊环 4,5-Dichloro-2,2-difluoro-1,3-dioxolane 60010-42-6 C3H2Cl2F2O2
4,5-二氯-1H-吡咯-2-甲酰氯 4,5-dichloro-1H-pyrrole-2-carbonyl chloride 64566-93-4 C5H2Cl3NO
4,5-二氯-1-茚酮 4,5-dichloroindan-1-one 69392-64-9 C9H6Cl2O
4,5-二氯-1-(三异丙基甲硅烷基)-1H-吡咯并[2,3-b]吡啶 4,5-dichloro-1-triisopropylsilanyl-1H-pyrrolo[2,3-b]pyridine 685513-95-5 C16H24Cl2N2Si
4,5-二氯-1-(4-硝基苯基)咪唑 4,5-Dichloro-1-(4-nitrophenyl)imidazole 649579-09-9 C9H5Cl2N3O2
4,5-二氯-1-(2-硝基-4-(三氟甲基)苯基)咪唑 4,5-Dichloro-1-[2-nitro-4-(trifluoromethyl)phenyl]imidazole 649662-56-6 C10H4Cl2F3N3O2
4,5-二氯-1,3-噻唑-2-羧酸 4,5-dichloro-2-thiazole carboxylic acid 62019-55-0 C4HCl2NO2S
4,5-二氯-1,3-噻唑-2-甲腈 4,5-dichloro-thiazole-2-carbonitrile 62019-53-8 C4Cl2N2S
4,5-二氨基萘-2,7-二磺酸 1,8-diamino-3,6-naphthalenedisulfonic acid 6362-11-4 C10H10N2O6S2
4,5-二氨基甲酰-1-乙基咪唑 1-ethyl-4,5-imidazoledicarboxamide 61523-49-7 C7H10N4O2
4,5-二氨基-6-甲基-1H-嘧啶-2-硫酮 4,5-diamino-6-methyl-2-thiopyrimidine 6305-99-3 C5H8N4S
4,5-二氨基-3-氟-2-(苯基氨基)苯甲酸甲酯 methyl 4,5-diamino-3-fluoro-2-(phenylamino)benzoate 606144-42-7 C14H14FN3O2
4,5-二氨基-2-溴-1,8-二羟基蒽醌 4,5-diamino-2-bromo-1,8-dihydroxyanthraquinone 64918-92-9 C14H9BrN2O4
4,5-二氨基-1-萘磺酸 4,5-diaminonaphthalene-1-sulfonic acid 6362-18-1 C10H10N2O3S
4,5-二氧代脯氨酰氯化物 4,5-dioxo-prolyl chloride 64154-86-5 C5H4ClNO3
4,5-二氢芘 4,5-dihydropyrene 6628-98-4 C16H12
4,5-二氢噻唑-2-胺硫酸盐 2-Ammonio-4,5-dihydrothiazolium sulfate 65767-36-4 C3H8N2O4S2
4,5-二氢-萘并[1,2-c]异噁唑 4,5-Dihydronaphth<1,2-c>isoxazol 66417-91-2 C11H9NO
4,5-二氢-alpha-甲基-2-十一烷基-1H-咪唑-1-乙醇 1-Hydroxypropyl-2-alkyl-2-imidazolin 63494-97-3 C17H34N2O
4,5-二氢-N-(3-甲基苯基)-2-噁唑胺 2-(3-methylphenylimino) oxazolidine 65536-43-8 C10H12N2O
4,5-二氢-N,1,4-三苯基-(1H)-1,2,4-三嗪-3-胺 (1,4-diphenyl-4,5-dihydro-1<i>H</i>-[1,2,4]triazol-3-yl)-phenyl-amine 63549-51-9 C20H18N4
4,5-二氢-5-氧代-4-[(间甲苯基)偶氮]-1H-吡唑-3-羧酸 4,5-Dihydro-5-oxo-4-((m-tolyl)azo)-1H-pyrazole-3-carboxylic acid 66256-72-2 C11H10N4O3
4,5-二氢-5-氧代-1-(4-磺基苯基)-4-[3-(四氢-1,3-二甲基-2,4,6-三氧代-5(2H)-嘧啶基亚基)丙-1-烯基]-1H-吡唑-3-羧酸乙酯 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[3-(tetrahydro-1,3-dimethyl-2,4,6-trioxo-5(2H)-pyrimidinylidene)-1-propenyl]-, 3-ethyl ester 68541-06-0 C21H20N4O9S
4,5-二氢-5-巯基-1,3,4-噻二唑-2-甲酰胺 5-mercapto-1,3,4-thiadiazole-2-carboxamide 66709-83-9 C3H3N3OS2
4,5-二氢-4-[(2-硝基苯基)偶氮]-5-氧代-1-苯基-1H-吡唑-3-羧酸乙酯 ethyl 4-[(2-nitrophenyl)diazenyl]-5-oxo-1-phenyl-4H-pyrazole-3-carboxylate 68213-91-2 C18H15N5O5
4,5-二氢-4,5-二羟基尿酸 dihydroxyuric acid 67708-22-9 C5H6N4O5
4,5-二氢-4,5-二硝基-1H-咪唑-2-胺 4,5-Dinitro-4,5-dihydro-1H-imidazol-2-amine 644996-55-4 C3H5N5O4
4,5-二氢-3H-螺叔丁基[苯并[B][1,4]氧杂氮杂-2,4'-哌啶]-1'-羧酸叔丁酯 tert-butyl 4,5-dihydro-3H-spiro[benzo[b]-[1,4]oxazepine-2,4'-pipeidine]-1'-carboxylate 693789-34-3 C18H26N2O3