5-氨基-4-(氨基羰基)-1H-咪唑-1-羧酸乙酯

Ethyl 2-methylpropanimidate

ethyl propanimidate

乙基3-[4-(2-甲基-2-丙基)苯基]-2-丙炔酸酯

4-butyl-3-phenyl-1,2,4-oxadiazol-5-one