piericidin A1 pivalate

2-[(2E,5E,7E,11E)-(9R,10R)-10-(tert-Butyl-dimethyl-silanyloxy)-3,7,9,11-tetramethyl-trideca-2,5,7,11-tetraenyl]-5,6-dimethoxy-3-methyl-pyridin-4-ol

Acetic acid 2-((2E,5E,7E,11E)-(9R,10R)-10-hydroxy-3,7,9,11-tetramethyl-trideca-2,5,7,11-tetraenyl)-5,6-dimethoxy-3-methyl-pyridin-4-yl ester