“…CH 3 ),4.14 (s, 3H, OCH 3 ),7.38 (d, J = 9.0 Hz, 1H, H-4),7.47 (d, J = 9.2 Hz, 1H, H-10),8.03 (br. s, 2H, NH 2 ),8.35 (d, J = 9.0 Hz, 1H, H-5),8.65 (d, J = 9.2 Hz, 1H, H-9);13 C NMR (DMSO-d 6 ): δ 26.6, 54.0, 102.9, 103.3, 115.3, 118.5, 119.4, 130.7, 131.1, 131.4, 155.7, 155.9, 157.5, 160.9, 166.4. HRMS (ESI): calculated for C 15 H 13 N 4 O 265.1089; found 265.1100 [M + H] + .…”