10110-15-3 2H-Naphth(2,3-f)isoindole-2-propanoic acid, 4,11-diamino-1,3,5,10-tetrahydro-1,3,5,10-tetraoxo-, butyl ester Butyl 4,11-diamino-1,3,5,10-tetrahydro-2H-naphth(2,3-f)isoindole-2-propionate EINECS 233-303-3