2571-86-0 BRN 1351346 Coriamyrtin Coriamyrtine Coriamyrtione NSC 337768 Spiro(2,5-methano-7H-oxireno(3,4)cyclopent(1,2-d)oxepin-7,2'-oxiran)-3(2H)-one, hexahydro-1b-hydroxy-6a-methyl-8-(1-methylethenyl)-, (1aS-(1aalpha,1bbeta,2beta,5beta,6abeta,7beta,7aalpha,8S*))- (9CI) Spiro(2,5-methano-7H-oxireno(3,4)cyclopent(1,2-d)oxepin-7,2'-oxiran)-3(2alphaH)-one, 1abeta,1b,5alpha,6,6a,7abeta-hexahydro-1balpha-hydroxy-8alpha-isopropenyl-6aalpha-methyl- (8CI)