5-Bromo-4-chloro-3-indolyl beta-galactoside 5-Bromo-4-chloroindol-3-yl-beta-D-galactopyranoside 7240-90-6 EINECS 230-640-8 beta-D-Galactopyranoside, 5-bromo-4-chloro-1H-indol-3-yl