Not Less Than - 95%
4-(2-(Dipropylamino)ethyl)indolin-2-one Hydrochloride; 4-[2-(Dipropylamino)ethyl]-1,3-dihydro-2H-indol-2-one Hydrochloride; 4-[2-(Di-n-propylamino)ethyl]-2(3H)-indolone Hydrochloride; 2H-Indol-2-one, 4-[2-(dipropylamino)ethyl]-1,3-dihydro-,Monohydrochloride; 4-[2-(Dipropylamino)ethyl]-2-indolinone Monohydrochloride (USP);