Dioctyltin bis-(butyl maleate)

DI-N-OCTYLTINBIS(BUTYLMALEATE)

butyl 6,6-dioctyl-4,8,11-trioxo-5,7,12-trioxa-6-stannahexadeca-2,9-dienoate

4,4'-[(Dioctylstannanediyl)bis(oxy)]bis[(Z)-4-oxo-2-butenoic acid butyl] ester