N-[(叔-丁氧基)羰基]-N,N'-二甲基乙二胺

bis(1,1-dimethylethyl) [1,2-ethylenediamine]-1,1'-dicarboxylate

6,7,8-trichloro-1,4-dimethyl-2,3-dihydropyrido[2,3-b]pyrazine

5,7,8-trichloro-1,4-dimethyl-2,3-dihydropyrido[3,4-b]pyrazine

1,4-二甲基哌嗪-2-甲酸乙酯