79307-07-6 (3ar,4s,5z,11as)-6,10-dimethyl-3-methylidene-2,9-dioxo-2,3,3a,4,9,10,11,11a-octahydro-7,10-epoxycyclodeca[b]furan-4-yl 3-methyloxirane-2-carboxylate 88452-61-3 5,14,23,32-tetraethyl-2,11,20,29-tetramethyl-4,13,22,31,37,38,39,40-octaoxapentacyclo[32.2.1.1~7,10~.1~16,19~.1~25,28~]tetracontane-3,12,21,30-tetrone