cytidine monophosphate-n-acetylneuraminate-galactosyldiacyl-glycerol alpha-2,3-sialyltransferase
cytidine monophosphate-n-acetylneuraminate-(alpha-n-acetyl-neuraminyl-2,3-beta-galactosyl-1,3)-n-acetyl-galactosaminide alpha-2,6-sialyltransferase