3H-Bis(1)benzopyrano(3,4-b:6',5'-e)pyran-7(7aH)-one, 13,13a-dihydro-6-hydroxy-9,10-dimethoxy-3,3-dimethyl-, (7aS-cis)- 5-19-10-00641 (Beilstein Handbook Reference) 82-09-7 BRN 0099505 alpha-Toxicarol