| abstract |
A compound of Formula II: Formula II in which R1 is 1-β-D-glucopyranosyl or 2- (1-β-D-glucopyranosyl) -1-β-D-glucopyranosyl and R2 is hydrogen, 1-β-Dglucopyranosyl , 2- (1-β-D-glucopyranosyl) -1-β-D-glucopyranosyl, 2,3-bis (1-β-D-glucopyranosyl) -1-β-D-glucopyranosyl, 2- (1-β -L-Ramnopyranosyl) -1-β-D-glucopyranosyl, 2- (1-β-L-ramnopyranosyl) -3- (1-β-D-glucopyranosyl) -1-β-Dglucopyranosyl or 2- (1-β -D-xylopyranosyl-3- (1-β-D-glucopyranosyl) -1-β-D-glucopyranosyl. |