Cocculolidine

(11S,12aS)-4,5,8,10,11,12-Hexahydro-11-methoxy-7H-furo[3',4':3,4]pyrido[2,1-i]indol-1(3H)-one

(11S,12aS)-11-Methoxy-1,3,4,5,8,10,11,12-octahydro-7H-furo[3',4':3,4]pyrido[2,1-i]indole-1-one