1042141-34-3
methyl 8-oxo-1,7-diazabicyclo[4.3.0]nona-2,4,6-triene-3-carboxylate hydrogenbromide
+
1042141-35-4
→
1042141-37-6
2-溴咪唑并[1,2-a]吡啶-6-羧酸甲酯