1H-Pyrrolizine-7-methanol, 2,3-dihydro-1-hydroxy-, (1R)- 1H-Pyrrolizine-7-methanol, 2,3-dihydro-1-hydroxy-, (R)- 23107-12-2 CCRIS 1862 Dehydroretronecine Retronecine pyrrole Retronecine, 3,8-didehydro-