4alpha-hydroxy-2,2-dimethyl-5-oxo-2,3,4,4alpha,5,9beta-hexahydroindeno(1,2-beta)pyran-9beta-carboxilic acid
4alpha-hydroxy-2,2-dimethyl-5-oxo-2,3,4,4alpha,5,9beta-hexahydroindeno(1,2-beta)pyran-9beta-carboxilic acid