3-(4-chlorophenyl)-2-hydroxyprop-2-enoic acid

2-甲基苯并咪唑

3-p-chlorobenzyl-2(1H)-quinoxalinone

3-(4-氯苯基)-2-羟基-丙烯酸

N-phenyl-3-p-chlorobenzyl-2(1H)-quinoxalinone