5,7,12,14-Tetraoxa-6,13-distannaoctadeca-2,9,16-trienedioic acid, 6,6,13,13-tetrabutyl-4,8,11,15-tetraoxo-, bis(phenylmethyl) ester, (9Z)- 68460-06-0 Dibenzyl (,,Z)-6,6,13,13-tetrabutyl-4,8,11,15-tetraoxo-5,7,12,14-tetraoxa-6,13-distannoctadeca-2,9,16-trienedioate EINECS 270-627-4 Stannane, (maleoyldioxy)bis(dibutyl(3-carboxyacryloyl)oxy)-, bis(benzyl) ester, (Z)-