22,19-Ethanylylidene-2,6-methano-14,28- metheno-1H-cyclopentadecacyclooctadecene- 13a(14H)-carboxaldehyde,4,7,8,9,12,13,15,18,- 20,23,26,27,29,29a-tetradecahydro-10,16,24- trimethyl-7-(1-methylethenyl)-4,20,31,33- tetraoxo-,stereoisomer
CAS No. 190837-55-9