C17H16O5
# C17H16O5

The molecular formula $C_{17}H_{16}O_5$ (molar mass: 300.30 g/mol, exact mass: 300.099773 u) may refer to:

* Coelogin, a phenanthrenoid found in the orchid Coelogyne cristata
* Confusarin, a phrenathrenoid found in orchids
* Flavokavain C, a kavalactone
* Gymnopusin, a phenanthrenoid found in several orchids
* Methyllinderone
* Plicatol A, a phenanthrenoid found in the orchid Flickingeria fimbriata
* 3,4,8-Trimethoxyphenanthrene-2,5-diol, a phenanthrenoid found in the orchid Dendrobium nobile
