Synonyms: Janthitrem E;AC1L4G3B;4bH-1-Benzopyrano(5',6':6,7)indeno(1,2-b)pyrano(4',3':3,4)cyclopent(1,2-f)indole-3,4b,9-triol, 2,3,5,6,6a,7,9,9a,10,12,15,15b,15c,16,17,17a-hexadecahydro-2-(1-hydroxy-1-methylethyl)-10,10,12,12,15b,15c-hexamethyl-, (2S,3R,4bS,6aS,9S,9aR,15bS,15cR,17aS)-