Synonyms: 2H-Pyrano[4',3':3,4]cyclopenta[1,2-i]pyrano[3',2':5,6]naphtho[1,2-c][1]benzazocine-3,8,17(4bH,7H,11H)-trione,5,6,6a,10,10a,13,16,17a,17b,18,19,19a-dodecahydro-4b-hydroxy-2-(1-hydroxy-1-methylethyl)-11,11,13,13,17a,17b-hexamethyl-,(2R,4bS,6aS,10aS,17aS,17bR,19aS)- (9CI); (-)-Shearinine C; Shearinine C