1H,5H-Imidazo(1',2':1,2)pyrido(2,3-b)indole-2,5(3H)-dione, 7a-(1,1-dimethyl-2-propenyl)-7a,12-dihydro-3-(1H-imidazol-4-ylmethylene)-6,12-dimethoxy-, (7aR-(3E,7aR*,12aS*))- 55623-37-5 Oxaline