plectranthone

Noun

 * 1)  The diterpenoid [(1R,2S,4aR,8aR)-1-acetyloxy-8-methyl-6-oxo-2-propan-2-yl-1,2,3,4,5,8a-hexahydronaphthalen-4a-yl]methyl acetate; any isomer of this compound