436101-59-6
1-cyclopropyl-4-ethylimino-7-fluoro-1,4-dihydroquinoline-3-carboxylic acid
→
157372-99-1
1-cyclopropyl-7-fluoro-4-oxoquinoline-3-carboxylic acid
7664-93-9
硫酸
+
157372-98-0