100079-50-3 3,5,7,9-Undecatetraenoic acid, 2-ethylidene-11-(hexahydro-3a-hydroxy-5-oxo-2H-furo(3,2-b)pyrrol-6-yl)-4,6,10-trimethyl-11-oxo-, methyl ester, (3aS-(3aalpha,6alpha(2E,3E,5E,7E,9E),6aalpha))- Methyl 2-ethylidene-11-(hexahydro-3a-hydroxy-5-oxo-2H-furo(3,2-b)pyrrol-6-yl)-4,6,10-trimethyl-11-oxo-3,5,7,9-undecatetraenoate (3aS-(3aalpha,6alpha(2E,3E,5E,7E,9E),6aalpha))-