2H-Pyran-2-one, 4-(beta-D-glucopyranosyloxy)tetrahydro-6-methyl-, (4S,6S)- 2H-Pyran-2-one, 4-(beta-D-glucopyranosyloxy)tetrahydro-6-methyl-, (4S-trans)- 33276-04-9 Parasorboside