156848-68-9 2,5-Dihydroxy-4-[(1,2,3,4,6,7,8,8a-octahydro-5,6,8a-trimethyl-2-methylene-1- naphthylenyl)methyl]benzene acetic acid, methyl ester AIDS-025344 AIDS025344 Peyssonol B Sesquiterpene hydroquinone