Synonyms: 4H,10H-9a,13-Epoxy-15a,7-(epoxyethano)azepino[1,2-a]naphtho[2,1-g]quinoline-4,6,16,18-tetrone,1,4a,5,6a,7,7a,8,9,11,12,13,14,16a,16b-tetradecahydro-2,7,7a,11,16a-pentamethyl-,[4aS-(4aa,6ab,7a,7ab,9ab,11b,13b,15aa,16aa,16bb)]-; (-)-Norzoanthaminone; 19-Demethylzoanthaminone;Norzoanthaminone