1,2-Ddgg 1,2-Distearoyldigalactosylglyceride 1,2-Distearoyldiglactosylglycerol 57731-85-8 beta-D-Galactopyranoside, 2,3-bis((1-oxooctadecyl)oxy)propyl 6-O-alpha-D-galactopyranosyl-, (S)-