53815-27-3
2,4,6-trihydroxy-nicotinic acid ethyl ester
→
5768-12-7
piperidine-2,4,6-trione
7647-01-0
氯化氢
+
17325-31-4
4-aminopyridine-2,6-diol
15828-10-1
4-氨基-1,2-二氢-6-羟基-2-氧代-3-吡啶甲腈