(9,9'-Bi-4,11-Propano-4H-cyclopent(e)azecine)-5,5',10,10'(1H,1'H,6H,6'H)-tetrone, 2,2',3,3',7,7',8,8',9,9',11,11'-dodecahydro-7,7'-dimethyl- 115491-58-2 Phlegmariurine C