Fig. 1From: Time-dependent selected reaction monitoring-based GC-MS/MS method for estimation of genotoxic impurities in new antibacterial agent: alalevonadifloxacin mesylateChemical structure of ALA (alalevonadifloxacin mesylate), MMS (methyl methane sulfonate), EMS (ethyl methane sulfonate), and IMS (isopropyl methane sulfonate)Back to article page