58859-46-4
4-氨基-1-哌啶甲酸乙酯
→
107618-03-1
3-(哌啶-4-基)-1H-咪唑并[4,5-b]吡啶-2(3H)-酮
5470-18-8
2-氯-3-硝基吡啶
618900-69-9
Ethyl 4-(3-nitropyridin-2-ylamino)piperidine-1-carboxylate