38746-53-1 7H-FURO(3',2':4,5)FURO[2,3-C]XANTHEN-7-ONE,2-(ACETYLOXY)-2,3,3A,12C-TETRAHYDRO-8-HYDROXY-6-METHOXY-,(2A,3AA,12CA)- 119089-42-8 7,15-Methano-8H,17H-quino[3'',4'':5',6']pyrano[3',4':5,6]oxocino[3,2-c]quinoline-8,17-dione,6,6a,7,9,15,18-hexahydro-1,2,10,11-tetramethoxy-6,6,9,15,18-pentamethyl-,[6aS-(6aa,7b,15b)]-