Synonyms: Anthemidin;AC1L4EKO;(3S,3aR,4aS,8aS,9aR)-3,5,8a-trimethyl-3,3a,4,4a,9,9a-hexahydrobenzo[f][1]benzofuran-2-one;71013-34-8;Naphtho(2,3-b)furan-2(3H)-one, 3a,4,4a,8a,9,9a-hexahydro-3,5,8a-trimethyl-, (3S-(3alpha,3abeta,4abeta,8aalpha,9abeta))-