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中文名称 英文名称 CAS号 化学式
4′,4″(5″)-二叔丁基二环己烷-18-冠-6 2,14-Di-tert-butylicosahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecine 223719-29-7 C28H52O6
4’-羟基苯辛酮 1-(4-hydroxyphenyl)octanone 2589-73-3 C14H20O2
4’-羟基双氯芬酸-D4 [2-(2,6-dichloro-4-hydroxyphenylamino)[2H4]phenyl]acetic acid 254762-27-1 C14H11Cl2NO3
4’-羟基-6-甲基黄酮 2-(4-hydroxyphenyl)-6-methyl-4H-chromen-4-one 288401-04-7 C16H12O3
4’-甲氧基联苯-4-磺酰氯 (4'-methoxy[1,1'-biphenyl]-4-yl)sulfonyl chloride 202752-04-3 C13H11ClO3S
4’-氯-2-羟基咔唑-1-甲酰苯胺 1-(4-Chlor-phenylcarbamoyl)-2-hydroxy-carbazol 23077-61-4 C19H13ClN2O2
4’-氨基-2’-羟基苯乙酮 4-amino-2-hydroxy-acetophenone 2476-29-1 C8H9NO2
4’-去甲基表鬼臼毒素-Β-D-葡萄糖甙 4'-demethyl-epipodophyllotoxin 23363-35-1 C27H30O13
4’-(1-氰乙基)乙酰苯胺 N-[4-(cyano-methyl-methyl)-phenyl]-acetamide 28694-91-9 C11H12N2O
4’-(1-吡咯烷基)苯乙酮 N-(4-acetylphenyl)pyrrolidine 21557-09-5 C12H15NO
4’-((((9H-芴-9-基)甲氧基)羰基)氨基)-[1,1’-联苯]-4-羧酸 4'-(Fmoc-amino)biphenyl-4-carboxylic acid 215248-42-3 C28H21NO4
4’,5’-双(4-氨基苯基)-[1,1’:2’,1’’-三联苯]-4,4’’-二胺 1,2,4,5-tetrakis-(4-aminophenyl)benzene 2458125-05-6 C30H26N4
4beta-羟基胆固醇4-乙酸酯 (3beta,4alpha)-3-Hydroxycholest-5-en-4-yl acetate 2515-18-6 C29H48O3
4alpha-佛波醇12,13-二癸酸酯 4α-phorbol-12,13-didecanoate 27536-56-7 C40H64O8
4alpha-佛波醇 4α-phorbol 26241-63-4 C20H28O6
4a,8alpha-(甲桥硫代甲桥)萘10,10-二氧化物 12-Thia<4.4.3>-propella-2.4.7.9-tetraen-12-dioxid 23695-63-8 C12H12O2S
4`,5`-双[N,N-二(羧甲基)氨甲基]荧光素 calcein 207124-64-9 C30H26N2O13
4R)(2S,4R)(2S,4R)(2S,4R)(2S,4R)-5-氨基-2-铵基-4-氟-5-氧代戊酸酯 (2S,4R)-4-fluoroglutamine 238418-71-8 C5H9FN2O3
4H-茚并[5,6-c][1,2]恶唑 4H-Indeno[5,6-C][1,2]oxazole 28648-21-7 C10H7NO
4H-苯并[f]喹啉-3-酮 benzo<f>quinolin-1(2H)-one 23981-08-0 C13H9NO
4H-环戊并[2,1-B:3,4-B']二噻吩-4-酮 4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one 25796-77-4 C9H4OS2
4H-环戊二烯并[d]嘧啶 4H-Cyclopenta[d]pyrimidine 270-96-2 C7H6N2
4H-环戊二烯并[b]喹喔啉 4H-Cyclopenta[b]quinoxaline 269-66-9 C11H8N2
4H-环五菲 4H-Cyclopenta[def]phenanthrene 203-64-5 C15H10
4H-噻吩并[3,2-c]苯并吡喃-2-羧酸 4H-thieno[3,2-c]-chromene-2-carboxylic acid 26268-04-2 C12H8O3S
4H-嘧啶并[5,4-d][1,3]恶嗪 4H-Pyrimido[5,4-d][1,3]oxazine 28647-47-4 C6H5N3O
4H-咪唑并[4,5-d]哒嗪-4-酮,3,5-二氢-5-[(苯基甲氧基)甲基]- Potassium nonylphenolate 27936-43-2 C15H23KO
4H-咪唑并[4,5,1-Ij]喹啉 4h-Imidazo[4,5,1-ij]quinoline 209-28-9 C10H8N2
4H-咪唑并[1,5,4-去]喹喔啉 4h-Imidazo[1,5,4-de]quinoxaline 209-29-0 C9H7N3
4H-咪唑并[1,5,4-Ef][1,5]苯并硫氮杂卓 6H-Imidazo[1,5,4-ef][1,5]benzothiazepine 254757-43-2 C10H8N2S
4H-咪唑 1H-2,2,4-triazole 288-30-2 C3H4N2
4H-呋喃并[3,2-b]吡咯 furo<3,2-b>pyrrole 250-91-9 C6H5NO
4H-吡喃并[4,3-c]异噻唑,6,7-二氢-6,6-二甲基-3-苯基- 1-(Ethylthio)-2-fluorobenzene 252555-43-4 C8H9FS
4H-吡喃并[2,3-b]吡啶-4-酮 4H-Pyrano[2,3-b]pyridin-4-one 22052-71-7 C8H5NO2
4H-吡喃-2,6-二甲酸 4<i>H</i>-Pyran-2,6-dicarbonsaeure 23047-07-6 C7H6O5
4H-吡喃 4H-pyran 289-65-6 C5H6O
4H-吡啶并[1,2-a]嘧啶-4-酮 pyrido[1,2-a]pyrimidin-4-one 23443-10-9 C8H6N2O
4H-吡唑并[3,4-d]嘧啶 4H-Pyrazolo[3,4-d]pyrimidine 271-76-1 C5H4N4
4H-吡唑并[1,5-a]苯并咪唑-6-胺 6-amino-pyrazolo[1,5-a]benzimidazole 217318-25-7 C9H8N4
4H-吡唑并[1,5-a]苯并咪唑-2,3-二胺 1H-pyrazolo[1,5-a]benzimidazole-2,3-diamine 227611-69-0 C9H9N5
4H-吡唑并[1,5-a]嘧啶-7-酮 4H-Pyrazolo[1,5-a]pyrimidin-7-one 29274-23-5 C6H5N3O
4H-吡咯并[2.3-d][1,3]噻唑-5-羧酸乙酯 ethyl 4H-pyrrolo[2,3-d]thiazole-5-carboxylate 238749-53-6 C8H8N2O2S
4H-吡咯并[2,3-d]噻唑 4H-pyrrolo[2,3-d]thiazole 298699-45-3 C5H4N2S
4H-吡咯并[2,3-D]嘧啶 4H-Pyrrolo[2,3-d]pyrimidine 271-68-1 C6H5N3
4H-吡咯并[1,2-a]苯并咪唑 4H-Pyrrolo<1,2-a>benzimidazol 24990-52-1 C10H8N2
4H-吡咯并[1,2-a]噻吩并[3,2-D]咪唑 4h-Pyrrolo[1,2-a]thieno[3,2-d]imidazole 260053-86-9 C8H6N2S
4H-吡咯并[1,2-a]吲哚 9H-pyrrolo<1,2-a>indole 247-66-5 C11H9N
4H-[1,3]恶唑并[5,4,3-Ij]喹啉-2,6(5H)-二酮 4,5-Dihydro-2H,6H-[1,3]oxazolo[5,4,3-ij]quinoline-2,6-dione 28884-03-9 C10H7NO3
4H-[1,3]噻嗪并[3,2-a]苯并咪唑 4H-benzimidazo[2,1-b][1,3]thiazine 245-57-8 C10H8N2S
4H-[1,3]二恶英并[4,5-c]吡啶 2H,4H-[1,3]Dioxino[4,5-c]pyridine 254-30-8 C7H7NO2