89930-84-7 5,7,12-Trioxa-6-stannatriaconta-2,9-dienoic acid,6,6-dimethyl-4,8,11-trioxo-, octadecyl ester, (Z,Z)- 89930-86-9 5,7,12-Trioxa-6-stannatriaconta-2,9-dienoic acid,6-[[4-(octadecyloxy)-1,4-dioxo-2-butenyl]oxy]-6-octyl-4,8,11-trioxo-,octadecyl ester, (Z,Z,Z)-