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1H NMR (400 MHz, DMSO-d6): ¦Ä 2.94 (t, J ) 6.83 Hz, 2 H),
3.45 (t, J ) 6.83 Hz, 2 H), 7.30 (bs, 1 H), 7.59 (s, 1 H), 8.23 (d,
J ) 7.08 Hz, 2 H), 8.71 (d, J ) 7.08 Hz, 2 H), 12.89 (bs, 1 H).
HRMS (M+H)+ calcd: 214.0975. Found: 214.0975. Anal. calcd
(C12H11N3O): C, H, N.
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