11,16-dihydroxy-14-methoxy-18 (4-3)abeo-abieta-3,8,11,13-tetraene-18-oic acid, 16-hydroxy triptobenzene H 2
11,16-dihydroxy-14-methoxy-18 (4-3)abeo-abieta-3,8,11,13-tetraene-18-oic acid, 16-hydroxy triptobenzene h 2