Clarithromycin EP Impurity K/(1S,2R,5R,6S,7S,8R,9R,Z)-8-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-6-hydroxy-9-methoxy-1,5,7,9,11,13-hexamethyl-3,15-dioxabicyclo[10.2.1]pentadeca-11,13-dien-4-one
Clarithromycin EP Impurity K;3-O-De(cladinosyl)-8,9,10,11-tetradehydro-9-deoxo-11,12-dideoxy-9,12-epoxy ClarithroMycin;3-O-De(2,6-dideoxy-3-C-Methyl-3-O-Methyl-α-L-ribo-hexopyranosyl)-8,9,10,11-tetradehydro-9-deoxo-11,12-dideoxy-9,12-epoxy-6-O-MethylerythroMycin