pyran,heptylidenetetrahydro,2h-pyran,2h-pyran,
2H-pyran
62350-96-34H-Furo[3,2-c]pyran-4-one,2-(3,4-dimethoxyphenyl)-2,3-dihydro-3-(4-methoxy-2-oxo-2H-pyran-6-yl)-6-[2-(4-methoxyphenyl)ethenyl]-
62350-92-92-(3,4-Dihydroxyphenyl)-2,3-dihydro-3-(4-hydroxy-2-oxo-2H-pyran-6-yl)-6-[2-(4-hydroxyphenyl)vinyl]-4H-furo[3,2-c]pyran-4-one