CFZ11: Cefprozil EP Impurity K

Cefprozil USP RC K ;

(3RS,6RS)-3-[(2R,5R)-5-Ethyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl]-6-(4-hydroxyphenyl)piperazine-2,5-dione ;

C18H19N3O5S ;
Mol. Wt.: 389.43 ;