(S)-4,11-Diethyl-4-hydroxy-3,14-dioxo-3,4,12,14-tetrahydro-1H-pyrano[3`,4`:6,7]indolizino[1,2-b]quinolin-9-yl [1,4`-bipiperidine]-1`-carboxylate hydrochloride trihydrate ; (4S)-4,11-Diethyl-4-hydroxy-3,14-dioxo-3,4,12,14-;