InChI=1/C16H16BrNO3/c1-21-16-5-3-2-4-13(16)15(20)10-18-9-11-8-12(17)6-7-14(11)19/h2-9,15,19-20H,10H2,1H3/p+1/b18-9+/t15-/m1/s1/fC16H17BrNO3/h18H/q+1 D8E8FBB2E862BA00