2-Butenoic acid, 4,4'-((dibutylstannylene)bis(oxy))bis(4-oxo-, diisooctyl ester, (2Z,2'Z)- 2-Butenoic acid, 4,4'-((dibutylstannylene)bis(oxy))bis(4-oxo-, diisooctyl ester, (Z,Z)- 25168-21-2 56091-37-3 Diisooctyl 4,4'-((dibutylstannylene)bis(oxy))bis(4-oxoisocrotonate) EINECS 246-701-7