4-(2-(dipropylamino)ethyl)-3-propylideneindolin-2-one hydrochloride; 4-[2-(Dipropylamino)ethyl]-1,3-dihydro-3-propylidene-2H-indol-2-one Monohydrochloride; (E/Z)-4-[2-(Dipropylamino)ethyl]-3-propylideneindolin-2-one; Ropinirole Propylidene Impurity (USP)
4-(2-(dipropylamino)ethyl)-3-propylideneindolin-2-one hydrochloride; 4-[2-(Dipropylamino)ethyl]-1,3-dihydro-3-propylidene-2H-indol-2-one Monohydrochloride; (E/Z)-4-[2-(Dipropylamino)ethyl]-3-propylideneindolin-2-one; Ropinirole Propylidene Impurity (USP)