(-)-Solanapyrone A 2H-Pyran-3-carboxaldehyde, 4-methoxy-6-((1R,2S,4aR,8aR)-1,2,4a,5,6,7,8,8a-octahydro-2-methyl-1-naphthalenyl)-2-oxo- 2H-Pyran-3-carboxaldehyde, 4-methoxy-6-(1,2,4a,5,6,7,8,8a-octahydro-2-methyl-1-naphthalenyl)-2-oxo-, (1R-(1alpha,2beta,4aalpha,8aalpha))- 4-Methoxy-6-((1R,2S,4aR,8aR)-1,2,4a,5,6,7,8,8a-octahydro-2-methyl-1-naphthalenyl)-2-oxo-2H-pyran-3-carboxaldehyde 88899-61-0 Solanapyrone A