2-(2-Thienyl)-4H-3,1-benzoxazin-4-one;2-(Thiophene-2-yl)benzo[d][1,3]oxazin-4-one;2-Thiophen-2-yl-benzo[d][1,3]oxazin-4-one;2-(2-Thienyl)-1-4H-3,1-benzoxazin-4-one;
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