5-Bromo-4-chloroindol-3-yl-5-acetamido-3,5-dideoxy-alpha-D-glycero-D-galacto 2-nonulopyranosidonic acid ammonium

for the following products 5-Bromo-4-chloro-3-indolyl-a-D-N-acetylneuraminic acid | N-Acetyl-2-O-(5-bromo-4-chloro-1H-indol-2-yl)-alpha-neuraminic acid and 5-Bromo-4-chloroindol-3-yl-5-acetamido-3,5-dideoxy-alpha-D-glycero-D-galacto 2-nonulopyranosidonic acid ammonium