1-isopropoxy-10,12-dimethoxy-8-vinyl-6H-dibenzo[c,h]chromen-6-one

10,12-dimethoxy-1-(methoxymethoxy)-8-vinyl-6H-dibenzo[c,h]chromen-6-one

2-[4-ethenyl-2-(4,5-dihydro-4,4-dimethyl-2-oxazolyl)-6-methoxyphenyl]-1,5-bis(methoxymethoxy)-4-methoxynaphthalene

8-ethyl-10,12-dimethoxy-1-(phenylmethoxy)-6H-benzo(d)naphtho(1,2-b)pyran-6-one

8-ethyl-10-methoxy-1-(phenylmethoxy)-6H-benzonaphtho<1,2-b>pyran-6-one