Patent ID: 8415489

Claim:
A compound of Formula (D): wherein X, Y, X 1 , Y 1 , and Z 1 are each individually H, OH, N(R) 2 , (C 1 -C 6 )alkoxy, or (C 2 -C 6 )alkanoyloxy; G is H, OH, (C 1 -C 6 )alkoxy, (C 2 -C 6 )alkanoyloxy, N(R) 2 , or NO 2 ; W is H, OH, (C 1 -C 6 )alkoxy, (C 1 -C 6 )alkyl, (C 1 -C 6 )hydroxyalkyl, or (C 1 -C 6 )alkoxy-carbonyl(C 1 -C 6 )alkyl; each R is individually H, (C 1 -C 4 )alkyl, (C 2 -C 6 )alkanoyl, or (C 6 -C 14 )arylC(O), wherein aryl is optionally substituted with 1, 2 or 3X; and R 1 is OH or hydroxy(C 1 -C 6 )alkyl.