2,3,6a,7,8,9-Hexahydro-11H-[1,4]dioxino[2,3-g]pyrrolo[2,1-b][1,3]benzoxazin-11-on;2H,3H,6aH-pyrrolidino(2,1-3,2)1,3-oxazino(6,5-5,4)benzo(e)1,4-dioxan-10-one;
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