“…An analytical sample prepared bv recrvstallization from methanol had mp 186.5-187.5°; infrared, 3320 Hsu NHCO), 1735 ( COA'I!;,). 1645 (i/c_o NHCO): nmr (CI)CU, 7.78 (2 H, singlet, 2,6 protons of iodine-substituted ring), 7.48 (5 II, multiple!, phenyl protons of henzamidn group), 6.72 (4 II, multiple!, protons of 1,4-disubst it uted ring), 6.43 (1 H, broad singlet, NHCOCbH.•,). 3.75 !6 II, singlet, OCifj, methyl ether and methyl ester).…”