{{Related molecular formulas|C=17|H=16|O=5}} The molecular formula '''C<sub>17</sub>H<sub>16</sub>O<sub>5</sub>''' (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''
{{MolFormDisambig}}