Patrinoside agrycone

Cyclopenta(c)pyran-4,7-dimethanol, 1,4a,5,6,7,7a-hexahydro-1,6-dihydro xy-, 1-isovalerate

(1S)-1,4aα,5,6,7,7aα-Hexahydro-1α,6α-dihydroxycyclopenta[c]pyran-4,7α-dimethanol 1-isovalerate