“…-IR: 1700, 1630, 1600 cm-l. 9,20.1,20.9,21.6,CH 49.7,50.5,50.8,phenyl 128.5,130.2,130.6,136.8,C = O ,C = N 156.1,158.4,164.4. [C,,H 9,21.4,22.5,22.7,23.2,23.5,CH,41.3,CH 51.5,55.3,58.7 CH 51. 8,55.3,58.6,59.3,CCI,90.8,C = N 135.3,154.9, C = O 160.9.…”