147444-03-9 2H,11H-Naphtho(2,1-b)pyrano(3,4-e)pyran-11-one, 1,3,4,4a,5,6a,12,12a,12b-decahydro-4-((acetyloxy)methyl)-3,6-bis(acetyloxy)-12-hydroxy-9-(3-pyridinyl)-4,6a,12b-trimethyl- FO 1289A Pyripyropene A