39972-50-4
2-diazonio-1-pyridin-3-ylethenolate
→
55484-11-2
2-氯-1-(吡啶-3-基)乙酮
350-03-8
3-乙酰基吡啶
61889-48-3
3-(2-氯乙酰基)吡啶盐酸盐