C18H18O5
# C18H18O5

The molecular formula $C_{18}H_{18}O_5$ (molar mass: 314.33 g/mol, exact mass: 314.115424 u) may refer to:

* Flavokavain A, a flavokavain found in the kava plant
* 7-Hydroxy-2,3,4,8-tetramethoxyphenanthrene, a phenanthrene found in the rhizome of Dioscorea communis
