丙二酸二乙酯

2-tert-butyl-6-isothiocyanato-5-(4-methyl-piperazin-1-yl)benzothiazole

N-甲基吗啉盐酸盐

1-Boc-4-甲基哌嗪

4-甲基-1-哌嗪羧酸乙酯