1,3,5-三正丙基-六氢-s-三嗪

1-(piperidin-1-ylmethyl)pyrrolidine-2,5-dione

3-benzyl-6-methyl-4,5-dihydro-2H-pyrimido[4,5-e][1,3]oxazin-8-one

4-fluoro-2-(methylamino)benzoic acid

benzoic acid,iodomethanol