2-Chloro-4-ethyl-1-hydroxy-2,3,3a,4,7,8,9,10,13,15a-decahydro-1H-5-oxa-cyclopentacyclotetradecen-6-one Eiseniachloride A InChI=1/C18H27ClO3/c1-2-16-14-12-15(19)18(21)13(14)10-8-6-4-3-5-7-9-11-17(20)22-16/h3-4,8,10,13-16,18,21H,2,5-7,9,11-12H2,1H3/b4-3-,10-8-/t13-,14+,15+,16-,18+/m0/s cyclopent[c]oxacyclotetradecin-3(1H)-one, 14-chloro-1-ethyl-4,5,6,7,10,12a,13,14,15,15a-decahydro-13-hydroxy-, (8Z,11Z,12aS,13R,14R,15aR)- rel-(1R,8Z,11Z,12aR,13S,14S,15aS)-14-chloro-1-ethyl-13-hydroxy-4,5,6,7,10,12a,13,14,15,15a-decahydrocyclopenta[c]oxacyclotetradecin-3(1H)-one