The authors alone are in charge of the writing and content of the article.. (calcd for C12H10N4 [M?+?H]+, 211.10; discovered 211.17; 1H NMR (400?MHz, (Compact disc3)2SO): 12.92 (bs, 1H), 8.21 (bs, 1H), 7.92 (d, 2H, calcd for C11H14O3 [M-H]+, 193.09; discovered 193.26; 1H NMR (400?MHz, (Compact disc3)2SO): 7.14 (d, 2H, calcd for C14H12O3 [M-H]+, 227.07; […]