82869-08-7 Benzoic acid, 2,4-dihydroxy-6-methyl-, (2R,2aS,4aS,7aS,7bR)-3-formyl-2,2a,4a,5,6,7,7a,7b-octahydro-2a-hydroxy-6,6,7b-trimethyl-1H-cyclobut(e)inden-2-yl ester, rel-(+)-