The molecule is an abietane diterpenoid that is 5-dehydrohorminone in which the hydroxy group at position 12 is replaced by a methoxy group. Isolated from the roots of Salvia multicaulis, it exhibits antitubercular activity. It has a role as a metabolite and an antitubercular agent. It is an abietane diterpenoid, an enol ether, a secondary alcohol and a member of p-quinones. It derives from a horminone.
(4bS,10R)-10-hydroxy-3-methoxy-4b,8,8-trimethyl-2-propan-2-yl-5,6,7,10-tetrahydrophenanthrene-1,4-dione