Faropenem Impurity 35

C20H23N2O7S2

467.54

(3R) -3- ((2S) -1-carboxy-2-hydroxypropyl) -5,10-dioxo-1,6-bis ((R) -tetrahydrofuran-2-yl) -5,10-dihydro-3H-dithiazolo[3,4-a:3',4'-d]pyrazin-9-ium