N-(2-丙炔)-哌嗪-N-羧酸乙酯

4-(4,5-二苯基-2-恶唑基)-1-哌嗪羧酸乙酯

4-(氨基硫代甲酰)-1-哌嗪羧酸乙酯

ethyl 4-phenacylpiperazine-1-carboxylate

1-丙基哌嗪