1,8-dimethylbicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxydiimide

1,14-二甲基-4,10-二噁四环[5.5.2.0(2,6).0(8,12)]-13-十四烯-3,5,9,11-四酮

methyl 3-phenyl-1,2-thiazole-4-carboxylate

methyl 3-phenyl-1,2-thiazole-5-carboxylate

3,5-diphenyl-1,2,4-thiadiazole