1,1-Dibutyl-1H-stannole-2,5-dione 15465-08-4 1H-Stannole-2,5-dione, 1,1-dibutyl- Di-n-butyltin maleate Stannacyclopent-3-ene-2,5-dione Stannacyclopent-3-ene-2,5-dione, 1,1-dibutyl- (8CI)