Synonyms: Orthosphenic acid;AC1MJ5T7;2H-3,4a-(Epoxymethano)picene-11-carboxylic acid, eicosahydro-2,3-dihydroxy-4,6b,8,11,12b,14a-hexamethyl-, (2R-(2-alpha,3-beta,4-beta,4a-beta,6a-alpha,6b-beta,8a-beta,11-alpha,12a-beta,12b-alpha,14a-beta,14b-alpha))-;86632-20-4