5-bromo-4-chloroindol-3-yl-β-D-galactopyranoside
.beta.-D-Galactopyranoside, 5-bromo-4-chloro-1H-indol-3-yl; 5-Bromo-4-chloro-1H-indol-3-yl beta-D-galactopyranoside; 5-Bromo-4-chloro-3-indolyl-.beta.-D-galactoside; 5-Bromo-4-chloro-3-indolyl-b-D-galactoside; beta-D-Galactopyranoside, 5-bromo-4-chloro-1H-indol-3-yl; Xgal