21934-09-8

6-{[(11a-hydroxy-4a,6a,7,10-tetramethyltetracosahydronaphtho[2'',1'':4',5']indeno[1',2':5,6]pyrano[3,2-b]pyridin-2-yl)amino]methylidene}cyclohexa-2,4-dien-1-one