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中文名称 英文名称 CAS号 化学式
4,5-二氟-2-硝基-苯基乙酰胺 4,5-difluoro-2-nitro-phenylacetamide 329939-78-8 C7H4F2N2O3
4,5-二氟-2-[(2-氟-4-碘苯基)氨基]苯甲酸 4,5-difluoro-2-[(2-fluoro-4-iodophenyl)amino]benzoic acid 391212-00-3 C13H7F3INO2
4,5-二氟-2,2-二(三氟甲基)-1,3-二氧杂环戊烯 2,2-bis(trifluoromethyl)-4,5-difluoro-1,3-dioxole 37697-64-6 C5F8O2
4,5-二乙炔基-1-甲基-1H-咪唑 4,5-Diethynyl-1-methyl-imidazol 37067-94-0 C8H6N2
4,5-二乙炔基-1-甲基-1H-吡唑 4,5-diethynyl-1-methyl-1<i>H</i>-pyrazole 34091-65-1 C8H6N2
4,5-二乙基-N,2-二羟基苯甲酰胺 4,5-diethyl-N,2-dihydroxybenzamide 349392-86-5 C11H15NO3
4,5-二(苯基)-1-(苯基甲基)三唑 1-benzyl-4,5-diphenyl-1H-1,2,3-triazole 33471-66-8 C21H17N3
4,5-二(苯基)-1,2-二氢吡唑-3-酮 3,4-Diphenyl-2-pyrazolin-5-on 33238-93-6 C15H12N2O
4,5-二(4-氯苯基)-4H-1,2,4-三唑-3-硫醇 4,5-bis(4-chlorophenyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione 31405-28-4 C14H9Cl2N3S
4,5,8-三氯喹啉-3-甲酸乙酯 Ethyl 4,5,8-trichloroquinoline-3-carboxylate 338795-11-2 C12H8Cl3NO2
4,5,7-三甲基-1,2,3,4-四氢萘-1-醇 4,5,7-Trimethyl-1,2,3,4-tetrahydro-[1]naphthol 32281-79-1 C13H18O
4,5,6-三羟基-苯-1,3-二磺酸 4,5,6-trihydroxy-benzene-1,3-disulfonic acid 38983-95-8 C6H6O9S2
4,5,6-三甲氧基-1H-吲哚 4,5,6-trimethoxyindole 30448-04-5 C11H13NO3
4,5,6-三氯靛红 4,5,6-Trichloroisatin 373383-39-2 C8H2Cl3NO2
4,5,6-三氟-1,3-苯并噻唑-2-胺 4,5,6-trifluoro-2-benzothiazolamine 328037-32-7 C7H3F3N2S
4,5,6,7-四溴-2-[4-[[4-(4,5,6,7-四溴-1,3-二氧代异吲哚-2-基)苯基]甲基]苯基]异吲哚-1,3-二酮 N,N'-(methylenedi-p-phenylene)bis[3,4,5,6,-tetrabromophthalimide] 32588-74-2 C29H10Br8N2O4
4,5,6,7-四溴-2-(2,4,6-三溴苯基)异吲哚-1,3-二酮 4,5,6,7-tetrabromo-2-(2,4,6-tribromo-phenyl)-isoindoline-1,3-dione 37710-57-9 C14H2Br7NO2
4,5,6,7-四氯茚满-1,3-二酮 TCID 30675-13-9 C9H2Cl4O2
4,5,6,7-四氢吡唑并[1,5-a]吡啶-3-羧酸 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-3-carboxylic acid 307307-97-7 C8H10N2O2
4,5,6,7-四氢吡唑并[1,5-a]吡啶-3-甲醛 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-3-carbaldehyde 307308-03-8 C8H10N2O
4,5,6,7-四氢吡唑并[1,5-a]吡啶-3-甲酰氯 4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridine-3-carbonyl chloride 307307-99-9 C8H9ClN2O
4,5,6,7-四氢吡唑并[1,5-a]吡啶-2-羧酸乙酯 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carboxylic acid ethyl ester 307307-84-2 C10H14N2O2
4,5,6,7-四氢吡唑并[1,5-a]吡啶-2-羧酸 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carboxylic acid 307313-03-7 C8H10N2O2
4,5,6,7-四氢吡唑并[1,5-a]吡啶-2-甲醛 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carbaldehyde 307313-06-0 C8H10N2O
4,5,6,7-四氢吡唑并[1,5-a]吡啶-2-甲酰氯 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-2-carboxylic acid chloride 307313-04-8 C8H9ClN2O
4,5,6,7-四氢-2-甲基苯并恶唑 2-Methyl-4,5,6,7-tetrahydro-1,3-benzoxazole 33793-98-5 C8H11NO
4,5,6,7-四氢-1H-苯并咪唑-5-基乙酸 (4,5,6,7-tetrahydro-1H-benzimidazol-5-yl)acetic acid 361394-61-8 C9H12N2O2
4,5,6,7-四氢-1H-苯并咪唑 4,5,6,7-tetrahydro-1H-benzimidazole 3752-24-7 C7H10N2
4,5,6,7-四氢-1-苯并呋喃-4-胺 4,5,6,7-tetrahydro-1-benzofuran-4-amine 389795-57-7 C8H11NO
4,5,6,7-四氢-1-苯基-1H-吡唑并[4,3-C]吡啶 1-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine 396133-34-9 C12H13N3
4,5,6,7-四氟-2-甲基苯并[B]呋喃-3-甲酸乙酯 3-Aethoxycarbonyl-4,5,6,7-tetrafluor-2-methyl-cumaron 3265-71-2 C12H8F4O3
4,5,6,7-四氟-2-甲基-1-苯并呋喃-3-羧酸 3-Carboxy-4,5,6,7-tetrafluor-2-methyl-cumaron 3265-72-3 C10H4F4O3
4,5,6,7-四氟-2-(2,3,4,5,6-五氟苯基)-1,3,2-苯并二氧硼烷 2-(pentafluorophenyl)-tetrafluoro-1,3,2-benzodioxaborole 365458-36-2 C12BF9O2
4,5,6,7-四氟-1H-吲哚-3-甲醛 3-formyl-4,5,6,7-tetrafluoroindole 30683-38-6 C9H3F4NO
4,5,6,7,8,9,10,11-八氢-1H-环癸[c]吡唑 1H-Cyclodecapyrazole, 4,5,6,7,8,9,10,11-octahydro- 34176-71-1 C11H18N2
4,5,5-三甲基-3-苯基呋喃-2-酮 3-phenyl-4,5,5-trimethyl-3(5H)-furanone 30982-21-9 C13H14O2
4,5,10-三羟基-7-甲基-1,1,8-三(3-甲基丁-2-烯基)蒽-2-酮 3,8,9-trihydroxy-6-methyl-4,4,5-tris(3-methylbut-2-enyl)anthracen-1(4H)-one 3736-60-5 C30H36O4
4,4’’-(氯(苯基)亚甲基)双(氟苯) bis(4-fluorophenyl)phenylchloromethane 379-54-4 C19H13ClF2
4,4’-联吡啶硫 4,4'-thiobispyridine 37968-97-1 C10H8N2S
4,4’-氧化双苯磺酰氯 Oxo-bis-benzenesulfonyl chloride 30847-93-9 C12H8Cl2O5S2
4,4’-氧化偶氮苯甲醚-D6 4,4'-bis(<(2)H3>methoxy)azoxybenzene 34172-21-9 C14H14N2O3
4,4’-双[(4-溴苯基)苯氨基]联苯 N4,N4'-bis(4-bromophenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine 344782-48-5 C36H26Br2N2
4,4’-双(4-氨基苯氧基)二苯甲酮 4,4'-bis(4-aminophenoxy)benzophenone 30184-96-4 C25H20N2O3
4,4’-亚甲基双(苯磺酰氯) diphenylmethane-4,4'-disulfonyl chloride 3119-64-0 C13H10Cl2O4S2
4,4’-二苯基二苯甲酮 4,4'-diphenylbenzophenone 3478-90-8 C25H18O
4,4’-二羟基苯偶酰 4,4'-dihydroxybenzil 33288-79-8 C14H10O4
4,4’-二甲氧基二苯硫醚 bis(4-methoxyphenyl)sulfide 3393-77-9 C14H14O2S
4,4’-二氰基二苯甲酮 4,4'-dicyanobenzophenone 32446-66-5 C15H8N2O
4,4’-二氯-3,3’-双(三氟甲基)-1,1’-联苯 4,4'-Dichloro-3,3'-bis(trifluoromethyl)-1,1'-biphenyl 372956-43-9 C14H6Cl2F6
4,4’-二(马来酰亚胺基)-1,1’-联苯 1,1'-biphenyl-4,4'-diyl-bis-pyrrole-2,5-dione 3278-30-6 C20H12N2O4