| Synonyms: | Epi-Cryptoacetalide;(2R,4R)-4,5,6',7',8',9'-Hexahydro-4,6',6'-trimethyl-spiro[furan-2(3H),3'(1'H)-naphtho[1,2-c]furan]-1'-one;Spiro[furan-2(3H),3'(1'H)-naphtho[1,2-c]furan]-1'-one, 4,5,6',7',8',9'-hexahydro-4,6',6'-trimethyl-, (2R,4R)-;Spironolactone EP Impurity 11 |