2,3-dihydroxy-24-nor-4(23),12-oleanadien-28-oic acid
2,3-dihydroxy-24-nor-4(23),12-oleanadien-28-oic acid
2,3-dihydroxy-24-nor-4(23),12-oleanadien-28-oic acid
2,3-dihydroxy-24-nor-4(23),12-oleanadien-28-oic acid