Parviflorone F

3,4-Dihydroxybenzoic acid 11-hydroxy-12-oxoabieta-5,7,9(11),13-tetraene-2α-yl ester

3,4-Dihydroxybenzoic acid [(3S)-1,2,3,4,4a,6-hexahydro-5-hydroxy-1,1,4aβ-trimethyl-7-isopropyl-6-oxophenanthren-3α-yl] ester