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中文名称 英文名称 CAS号 化学式
4′,6′-二甲氧基-2-2′-羟基-2-苯基乙酰苯 2-hydroxy-4,6-dimethoxyphenyl benzyl ketone 39604-66-5 C16H16O4
4’-甲基苯甲酸 4-氰基苯酯 4-cyanophenyl 4-methylbenzoate 32792-42-0 C15H11NO2
4’-溴苯乙酮-d4 4'-Bromoacetophenone-d4 343942-02-9 C8H7BrO
4’-溴-3’-氟乙酰苯胺 N-(4-bromo-3-fluorophenyl)acetamide 351-30-4 C8H7BrFNO
4’-氯乙酰基乙酰苯胺 γ-chloroacetoacetanilide 39082-00-3 C10H10ClNO2
4’-氯-2-硝基二苯醚 1-(4-chlorophenoxy)-2-nitrobenzene 39145-47-6 C12H8ClNO3
4’-(三氟甲基)联苯-4-硼酸 (4'-(trifluoromethyl)-[1,1’-biphenyl]-4-yl)boronic acid 364590-93-2 C13H10BF3O2
4’,7-二甲氧基-5-羟基异黄酮 4',7-dimethoxy-5-hydroxyisoflavone 34086-51-6 C17H14O5
4aH-环庚并[d]嘧啶 4aH-Cyclohepta[d]pyrimidine 31445-22-4 C9H8N2
4a-羟基-5-甲基四氢叶酸 <i>N</i>-{4-[(2-amino-4a-hydroxy-5-methyl-4-oxo-3,4,4a,5,6,7-hexahydro-pteridin-6-ylmethyl)-amino]-benzoyl}-glutamic acid 33157-07-2 C20H25N7O7
4Z,15Z-胆红素 4Z,15Z-bilirubin 35991-50-5 C33H36N4O6
4H-萘并[2,3-d]咪唑 4H-Naphtho[2,3-d]imidazole 35731-18-1 C11H8N2
4H-苯并噻喃并[4,3-d]噻唑-2-胺 2-amino-4H-<1>benzothiopyrano<4,3-d>thiazole 31879-58-0 C10H8N2S2
4H-苯并咪唑 4H-benzimidazole 36579-63-2 C7H6N2
4H-色烯并[4,3-d][1,3]噻唑-2-胺 2-amino-4H-<1>benzopyrano<4,3-d>thiazole 31877-68-6 C10H8N2OS
4H-噻唑[3,2-B]吡咯-5-甲酸 4H-thieno[3,2-b]pyrrole-5-carboxylic acid 39793-31-2 C7H5NO2S
4H-呋喃并[3,2-f]吲唑 4H-Furo[3,2-f]indazole 34399-95-6 C9H6N2O
4H-呋喃并[3,2-b]吡咯-5-羧酸乙酯 ethyl 4H-furo[3,2-b]pyrrole-5-carboxylate 35405-94-8 C9H9NO3
4H-呋喃并[2,3-f]吲唑 4H-Furo[2,3-f]indazole 33192-65-3 C9H6N2O
4H-吡啶并[2,3-b]吡嗪-3-酮 4H-pyrido[2,3-b]pyrazin-3-one 35252-02-9 C7H5N3O
4H-吡咯并[3,2-d]嘧啶 4H-Pyrrolo[3,2-d]pyrimidine 399-61-1 C6H5N3
4H-[1]-苯并吡喃[4,3-b]噻吩-2-甲酸酰肼 4H-[1]-benzopyrano[4,3-b]thiophene-2-carboxylic acid hydrazide 351003-40-2 C12H10N2O2S
4H-[1,3]噻唑并[5,4-a]咔唑 4H-Thiazolo[5,4-a]carbazole 33080-56-7 C13H8N2S
4H-[1,3]噻唑并[4,5-e]吲哚 4H-Pyrrolo[3,2-e]benzothiazole(9CI) 32530-64-6 C9H6N2S
4H-[1,2]恶唑并[5,4-e]吲哚 4H-[1,2]Oxazolo[5,4-E]indole 32530-61-3 C9H6N2O
4H-3,1-苯并噁嗪-4-酮,2-(二甲氨基)-1-乙基-1,2-二氢- 5-(4-benzyloxyphenyl)-4S-(7-phenylheptanoylamino)-pentanoic acid 393569-31-8 C31H37NO4
4H-1,2-苯并恶嗪-3-酮 benzoxazinone 37204-63-0 C8H7NO2
4H-1,2,4-苯并噻二嗪 1,1-二氧化物 2H-benzo[e][1,2,4]thiadiazine 1,1-dioxide 359-85-3 C7H6N2O2S
4H-1,2,4-噻唑-3,4-二胺 3,4-diamino-1,2,4-triazole 38104-45-9 C2H5N5
4H,4'H-八氟联苯 2,2',3,3',5,5',6,6'-octafluoro-1,1'-biphenyl 3883-86-1 C12H2F8
4.4.4-二氯丁烯肟 2-(2,2,2-trichloroethyl)oxirane 3083-25-8 C4H5Cl3O
4-(氯甲基)-2,5-恶唑烷二酮 DL-2,5-Dioxo-4-chlormethyloxazolidin 3981-41-7 C4H4ClNO3
4-(N,N-二甲基氨基)-2-氯嘧啶 2-chloro-N,N-dimethylpyrimidin-4-amine 31058-81-8 C6H8ClN3
4-(4-溴苯甲酰基)-3-异恶唑甲酸乙酯 ethyl 4-(4-bromobenzoyl)isoxazole-3-carboxylate 338408-83-6 C13H10BrNO4
4-(4-氯苯基)-1,2,3-硫二唑-5-胺 4-(4-Chlorophenyl)-1,2,3-Thiadiazol-5-Amine 388088-77-5 C8H6ClN3S
4-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)苯甲酸氨基甲酸叔丁酯 tert-butyl (4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenethyl)carbamate 360792-43-4 C19H30BNO4
4-(3-甲基哌啶-1-基)-3-硝基苯甲酸 4-(3-Methylpiperidin-1-yl)-3-nitrobenzoic acid 380194-19-4 C13H16N2O4
4-(3-氰基苯基)-3,6-二氢吡啶-1(2H)-羧酸叔丁酯 tert-butyl 4-(3-cyanophenyl)-5,6-dihydropyridine-1(2H)-carboxylate 370864-42-9 C17H20N2O2
4-(3,4-二氢-1H-异喹啉-2-磺酰基)-苯甲酸 4-((3,4-dihydroisoquinolin-2(1H)-yl)sulfonyl)benzoic acid 325702-76-9 C16H15NO4S
4-(2-氨基乙酰基)哌嗪-1-羧酸叔丁酯 tert-butyl 4-(2-aminoacetyl)piperazine-1-carboxylate 352359-09-2 C11H21N3O3
4-雄烯-11β-醇-3,17-二酮 (8S,9S,10R,11S,13S,14S)-11-Hydroxy-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-2H-cyclopenta[a]phenanthrene-3,17-dione 382-44-5 C19H26O3
4-重氮-3-甲氧基二苯胺硫酸盐 2-methoxy-4-(phenylamino)-benzenediazonium bisulfate 36305-05-2 C13H12N3O*HO4S
4-醛基-1,10-菲咯啉 1,10-phenanthroline-4-carboxaldehyde 31301-30-1 C13H8N2O
4-邻苯二甲酰亚氨基丁腈 4-phthalimidobutyronitrile 3184-61-0 C12H10N2O2
4-邻甲苯基-四氢-吡喃-4-羧酸 4-o-Tolyl-tetrahydro-pyran-4-carboxylic acid 3648-77-9 C13H16O3
4-过氧化氢异环磷酰胺 4-hydroperoxyifosfamide 39800-28-7 C7H15Cl2N2O4P
4-辛酰氨基-1H-嘧啶-2-酮 N<sup>4</sup>-octanoylcytosine 33304-87-9 C12H19N3O2
4-辛酰基吡啶 4-octanoylpyridine 32921-22-5 C13H19NO
4-辛烷-4-基苯酚 p-(4-octyl)phenol 3307-01-5 C14H22O
4-辛烷-3-基苯酚 4-(3-octyl)phenol 3307-00-4 C14H22O