7-Bromo-3,5-dihydropyrido[2,3-e][1,4]oxazepin-2(1H)-one
2-Chloro-4-(prop-1-yn-1-yl)pyridine
4-Bromo-2-(prop-1-yn-1-yl)pyridine
2-Bromo-4-(prop-1-yn-1-yl)pyridine
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