Steviolbioside

(4R,4aS,6aR,9S,11aR,11bS) -9- (((2S,3R,4S,5S,6R) -4,5-dihydroxy-6- (hydroxymethyl) -3- (((2S,3R,4S,5S,6R) -3,4,5-trihydroxy-6- (hydroxymethyl) tetrahydro-2H-pyran-2-yl) oxy) tetrahydro-2H-pyran-2-yl) oxy) -4,11b-dimethyl-8-methylenetetradecahydro-6a,9-methanocyclohept