1(2H)-Naphthalenone, 3,4,4a,5,6,8a-hexahydro-4-((6,7-dihydroxy-1,5-dioxaspiro(2.4)hept-4-yl)methyl)-2-hydroxy-3,4,8,8a-tetramethyl- 1(2H)-Naphthalenone, 4-((6,7-dihydroxy-1,5-dioxaspiro(2.4)hept-4-yl)methyl)-3,4,4a,5,6,8a-hexahydro-2-hydroxy-3,4,8,8a-tetramethyl- 99401-76-0 Spirocardin A