6-O-Propionylmorphine

Morphine 6-propionate

6-O-propanoylmorphine

O6-Monopropionylmorphine

7,8-Didehydro-4,5α-epoxy-17-methylmorphinan-3,6α-diol 6-propanoate

(5R,6S)-7,8-Didehydro-4,5-epoxy-17-methylmorphinan-3,6-diol 6-propionate