2H-Pyran-2-one, 3-(hydroxymethyl)-4-methoxy-6-((1R,2S,4aR,8aR)-1,2,4a,5,6,7,8,8a-octahydro-2-methyl-1-naphthalenyl)- 88899-60-9 Solanapyrone B Solanapyrone E