20980-22-7
1-(2-嘧啶基)哌嗪
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5394-18-3
N-(4-溴丁基)邻苯二甲酰亚胺
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33386-20-8
4-氨基丁基-1-(2-嘧啶)-哌嗪
94021-22-4
2-1-哌啶吡啶酮
184947-05-5
33386-14-0
4-(4-pyrimidin-2-ylpiperazin-1-yl)butanenitrile