3-Oxofriedelane-29-oic acid

3-Oxo-D:A-friedooleanan-29-oic acid

[2R-(2alpha,4abeta,6abeta,6balpha,8abeta,9beta,12aalpha,12bbeta,14aalpha,14bbeta)]-Docosahydro-2,4a,6a,8a,9,12b,14a-heptamethyl-10-oxo-2-picenecarboxylic acid