178422-45-2

Cefdinir Impurity 4 Cefdinir Impurity 27 [2RS-[2α[RS*(Z)],5β]]-α-[[(2-AMino-4-thiazolyl)(hydroxyiMino)acetyl]aMino 2-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-2-(5-methyl-7-oxo-1,2,4,5-tetrahydrofuro[3,4-d][1,3]thiazin-2-yl)acetic acid 2(R)-2-[(Z)-2-(Aminothiazol-4-yl)-2-(hydroxyimino)acetamido)]-2-[(2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]acetic Ac 2(R)-2-[(Z)-2-(AMinothiazol-4-yl)-2-(hydroxyiMino)acetaMido)]-2-[(2RS,5RS)-5-Methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]acetic Acid 2(R)-2-[(Z)-2-(AMinothiazol-4-yl)-2-(hydroxyiMino)acetaMido)]-2-[(2RS,5RS)-5-Methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]acetic Acid (Mixture of 4 DiastereoMers) 2(R)-2-[(Z)-2-(Aminothiazol-4-yl)-2-(hydroxyimino)acetamido)]-2-[(2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]acetic Acid DISCONTINUED. Please see A630475