5405-34-5
(Z)-2-bromobut-2-enoic acid
+
22989-67-9
3-hydroxy-6-methyl-1H-pyridine-2-thione
→
23933-08-6
2,5-dimethyl-2,3-dihydro-[1,3]thiazolo[3,2-a]pyridin-4-ium-8-olate