2-(carboxy(methoxy)methyl)-3,5,6-trimethoxybenzoic acid

2-(Bromo-methoxycarbonyl-methyl)-3,5,6-trimethoxy-benzoic acid methyl ester

methyl 2-methoxy-2-(3,4,6-trimethoxy-2-(methoxycarbonyl)phenyl)acetate

(2S)-3'-methyl-1',4,5,6,8,9,9'-heptamethoxy-6',7'-dihydrospiro[2H-benz[f]indene-2,8'-8'H-cyclopent[g]isoquinoline]-1,3-dione

(S)-4,5,6,8,9,9'-hexamethoxy-3'-methyl-6',7'-dihydrospiro[cyclopenta[b]naphthalene-2,8'-cyclopenta[g]isoquinoline]-1,1',3(2'H)-trione