7-chloro-3-hydroxymethyl-2-bromo-5,8-dimethoxy-1-(methoxymethoxy)naphthalene

7-chloro-3-hydroxymethyl-5,8-dimethoxy-1-(methoxymethoxy)-2-(4-methylpent-2-ynoyl)naphthalene

5-benzoyloxymethyl-9-chloro-7,10-dimethoxy-2-(1-methylethyl)naphtho[1,2-b]pyran-4-one

3-benzoyloxymethyl-7-chloro-5,8-dimethoxy-1-(methoxymethoxy)-2-(4-methylpent-2-ynoyl)naphthalene

2-bromo-7-chloro-5,8-dimethoxy-1-methoxymethoxy-3-[(4-methyl-2-pentynoyloxy)methyl]naphthalene