151140-40-8 1H,3H-Pyrano(3,4-c)pyran-1-one, 5-ethenyl-6-((6-O-beta-D-glucopyranosyl-beta-D-glucopyranosyl)oxy)-4,4a,5,6-tetrahydro-, (4aS-(4aalpha,5beta,6alpha))- 6'-O-Glucopyranosylsweroside Swertiapunimarin