Synonyms: 21,22-Secoursane;Chrysene, 7-(1,2-dimethylpropyl)octadecahydro-1,1,4a,8,8,10a,10b-heptamethyl-,[4aS-[4aa,4bb,6aa,7b(R*),10ab,10ba,12ab]]-; [4aS-[4aa,4bb,6aa,7b(R*),10ab,10ba,12ab]]-7-(1,2-Dimethylpropyl)octadecahydro-1,1,4a,8,8,10a,10b-heptamethylchrysene