(2R,5R,6S)-(E)-methyl 6-(2,5-dimethoxy-3-nitrophenyl)-2,6-dimethoxy-5-methylhex-3-enoate

(E)-(2R,5S,6R)-Methyl 2-acetoxy-6-(2,5-dimethoxy-3-nitrophenyl)-6-methoxy-5-methylhex-3-enoate

(2S,3R,4S,6S,7R)-7-(2,5-Dimethoxy-3-nitro-phenyl)-3,4,7-trimethoxy-2,6-dimethyl-heptan-1-ol

(2S,3R,4S,6S,7R)-7-(2,5-Dimethoxy-3-nitro-phenyl)-4,7-dimethoxy-2,6-dimethyl-1-trimethylsilanyloxy-heptan-3-ol

(3R,4S,6S,7R)-3-Benzyloxy-7-(2,5-dimethoxy-3-nitro-phenyl)-4,7-dimethoxy-6-methyl-heptan-2-ol