5,5-dimethyl-3-phenyl-4,5-dihydro-1,2,4-oxadiazole

2-phenyl-1’H,5H-spiro[oxazole-4,2’-quinoxalin]-3’(4’H)-one

(Z)-5-(p-methylphenylcarbamoyl)-methylene-3-phenyl-5,6-dihydro-4H-1,2,4-oxadiazine

N-(1-p-tolylcarbamoyl-2-propylidene)benzamide oxime

三氯甲苯