{{DISPLAYTITLE:C21H30O2}} The molecular formula C21H30O2 (molar mass: 314.46 g/mol) may refer to: Abnormal cannabidiol 17α-Allyl-19-nortestosterone Cannabichromene Cannabicyclol Cannabidiol Delta-6-Cannabidiol 20α-Dihydrodydrogesterone 5α-Dihydrolevonorgestrel 5α-Dihydroethisterone Ethinylandrostenediol Hydroxytibolones 3α-Hydroxytibolone 3β-Hydroxytibolone 17α-Methyl-19-norprogesterone Metynodiol Progesterone Retroprogesterone Tetrahydrocannabinol Delta-3-Tetrahydrocannabinol Delta-4-Tetrahydrocannabinol Delta-7-Tetrahydrocannabinol Delta-8-Tetrahydrocannabinol Delta-10-Tetrahydrocannabinol Vinyltestosterone Cannabicitran