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    中文名称 英文名称 CAS号 化学式
    头孢氨苄 cefalexin 15686-71-2 C16H17N3O4S
    头孢替考 Cefetecol 117211-03-7 C20H17N5O9S2
    头孢替林 Cefmatilen hydrochloride hydrate 154776-45-1 C15H17ClN8O6S4
    头孢替丁相关杂质8 8R9U6E8Q8S 174761-17-2 C41H38N4O8S2
    头孢曲松钠杂质1 7β-Aminocephalosporanic acid 1214622-93-1 C10H12N2O5S
    头孢曲松杂质6 (-)-(6R,7R)-7-<(E)-2-(2-amino-4-thiazolyl)-2-methoxyiminoacetamido>-3-hydroxymethyl-8-oxo-5-thia-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylic acid lactone 123238-79-9 C14H13N5O5S2
    头孢托仑 cefditoren 104145-95-1 C19H18N6O5S3
    头孢布烯杂质1 2-[2-[[(benzyloxy)formyl]amino]-4-thiazolyl]-2-pentenedioic acid 102199-53-1 C16H14N2O6S
    头孢布烯侧链 2-[2-[[(benzyloxy)formyl]amino]-4-thiazolyl]-2-pentaneenedioic acid-5-(3-methyl-2-butenyl) ester 115065-79-7 C21H22N2O6S
    头孢布烯(头孢布坦) Ceftibuten Dihydrate 118081-34-8 C15H18N4O8S2
    头孢布坦杂质 2-Pentenedioic acid, 2-[2-[[(phenylmethoxy)carbonyl]amino]-4-thiazolyl]-, 1-ethyl 5-methyl ester 103054-27-9 C19H20N2O6S
    头孢妥仑钠盐 —— 104146-53-4 C19H18N6NaO5S3
    头孢妥仑酯的中间体 p-Methoxybenzyl 7-phenylacetamido-3(Z)-(4-methylthiazol-5-yl)vinyl-3-cephem-4-carboxylate 138514-31-5 C29H27N3O5S2
    头孢妥仑母核 7-ATCA 155723-02-7 C13H13N3O3S2
    头孢妥仑匹酯 cefditoren pivoxil 117467-28-4 C25H28N6O7S3
    头孢塔齐定杂质A (6R,7R)-7-[2-(2-amino-4-thiazolyl)-2-(Z)-(2,2-dimethylacetoxyimino)acetamido]-3-[(pyridinium)methyl]-2-cephem-4-carboxylate 1000980-60-8 C22H22N6O7S2
    头孢地尼活性新酯 S-2-benzothiazolyl (Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyimino thioacetate 104797-47-9 C14H10N4O3S3
    头孢地尼杂质S (6R,7R)-7-[[(2Z)-2-acetyloxyimino-2-(2-amino-1,3-thiazol-4-yl)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 127770-93-8 C16H15N5O6S2
    头孢地尼杂质A (Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamide 1450758-21-0 C5H6N4O2S
    头孢地尼异恶唑 (6R,7R)-7-(4-Hydroxyisoxazole-3-carboxamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid 1356842-10-8 C13H11N3O6S
    头孢地尼噻嗪模拟 (2R,5Z)-2-[(R)-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-carboxymethyl]-5-ethylidene-2H-1,3-thiazine-4-carboxylic acid 178422-39-4 C14H15N5O6S2
    头孢地尼侧链酸 (Z)-2-(2-aminothiazol-4-yl)-2-(triphenylmethoxyimino)acetic acid 128438-01-7 C24H19N3O3S
    头孢地尔 cefiderocol 1225208-94-5 C30H34ClN7O10S2
    头孢噻肟杂质F Cefotaxime dimer 175032-97-0 C30H30N10O12S4
    头孢噻肟杂质 (2E)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetic acid;hydrochloride 124827-29-8 C6H7N3O3S*ClH
    头孢噻肟杂质 2-amino-alpha-(methoxyimino)-4-thiazole acetic acid hydrochloride 139549-70-5 C6H7N3O3S*ClH
    头孢噻呋钠 —— 104010-37-9 C19H17N5NaO7S3
    头孢噻吩 cephalothin 153-61-7 C16H16N2O6S2
    头孢噻利 cefoselis 122841-10-5 C19H22N8O6S2
    头孢唑肟杂质 Jvgcqnjnqjjwhf-prkntkfgsa- 102044-69-9 C13H13N5O5S2
    头孢唑林杂质8 N-(2,2-dihydroxyethyl)-2-(1H-tetrazol-1-yl)acetamide 1675245-47-2 C5H9N5O3
    头孢唑林杂质6 Cefazolin lactone 1172998-53-6 C11H10N6O4S
    头孢唑林杂质10 Iso-7-amino-cephalosporansaeure 18884-65-6 C10H12N2O5S
    头孢唑林delta-3-甲酯 Cefazolin delta-3-methyl ester 117929-10-9 C15H16N8O4S3
    头孢唑兰 cefozopran 113359-04-9 C19H17N9O5S2
    头孢哌酮杂质F (6R,7S)-Cefoperazone 1315481-36-7 C25H27N9O8S2
    头孢哌酮杂质8 Cefoperazone Batsi 1204325-21-2 C16H21BN4O7
    头孢哌酮二水合物 Cefoperazone dihydrate 113826-44-1 C25H31N9O10S2
    头孢呋辛酯二聚体 Di(cefuroxime Ethyl) Ether 1202925-10-7 C36H38N8O17S2
    头孢吡酮 (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-5-yl)-2-(2-oxopyrrolidin-3-yl)oxyiminoacetyl]amino]-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 103238-57-9 C22H21N7O6S2
    头孢吡肟杂质13 1-((6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-3-en-3-ylmethyl)-1-methyl-pyrrolidinium; chloride 112533-07-0 C13H20N3O3S*Cl
    头孢卡品酯 cefcapene pivoxil 105889-45-0 C23H29N5O8S2
    头孢卡品异丙胺盐 (6R,7R)-7-[[(Z)-2-(2-tert-butoxycarbonylaminothiazol-4-yl)-2-pentenoyl]amino]-3-carbamoyloxymethyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid diisopropylamine salt 153012-37-4 C6H15N*C22H27N5O8S2
    头孢卡品 cefcapene 135889-00-8 C17H19N5O6S2
    头孢匹罗杂质2 Cefpirome Impurity 2 124667-22-7 C22H22N6O5S2
    头孢克肟杂质 3-Vinyl-Δ<sup>3</sup>-cephem 119608-90-1 C25H24N2O5S
    头孢克洛杂质E Cefaclor impurity E [EP impurity] 188915-50-6 C14H14ClN3O4S
    头孢他美杂质 Cefetamet pivoxyl 1705612-82-3 C20H25N5O7S2
    头孢他啶水合物 Pyridinium,1-[[7-[[(2-amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-,inner salt, hydrate, [6R-[6a,7b(Z)]]- 120618-65-7 C22H24N6O8S2
    头孢他啶杂质3 (6R,7R)-7-Amino-3-(5-carboxymethyl-4-methyl-thiazol-2-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 111298-82-9 C14H15N3O5S3