dimethyl pyrido[3,2-g]quinoline-2,8-dicarboxylate

4,4,5-trimethoxy-2-prop-2-enylcyclohexa-2,5-dien-1-one

methyl 2-[(4-methoxycarbonylphenyl)methyl]benzoate

4-benzyl-2,5-dimethoxy-3,5-dimethyl-2H-furan

2,5-dimethoxy-3,5-dimethyl-4-prop-2-enyl-2H-furan