“…4 J(2',5') = 1.4, HÀC(2')); 8.14 (d, 3 J(5, 6) = 5.1, HÀC(6)); 7.92 (t, 3 J(4',5') = 1.4, HÀC(5')); 7.81 (d, HÀC (5)); 7.13 (t, HÀC(4')). 13 C-NMR (CD 3 A C H T U N G T R E N N U N G OD): 155.2 (C(3)); 150.3 (CH=N); 141.2 (C(6)); 140.3 (C(2)); 138.0 (C(2')); 129.6 (C(4')); 127.6 (C(4)); 122.8 (C(5)); 113.6 (C(5')).…”