二甲基亚砜

5-甲基-3-(4-硝基苯基)-1,2,4-恶二唑

对硝基苯甲醛

5-Isoxazolecarboxylic acid, 4,5-dihydro-3-(4-nitrophenyl)-, methyl ester

3-methyl-5-(4'-nitrophenyl)-1,2,4-oxadiazole