(7S)-7-metil-5-(4-nitrofenil)-7,8-dihidro-5H-[1,3]dioksolo[4,5-g]izokromen
(3aS,9aS,9bR)-3a-metyl-6-[2-(2,5,5-trimetyl-1,3-dioxán-2-yl)etyl]-1,2,4,5,8,9,-9a,9b-oktahydro-3aH-cyklopenta[a]naftalén-3,7-dión