(1R,2S,7R)-Sitafloxacin-d4 (hydrochloride)
(1R,2S,7R)-Sitafloxacin-d4 hydrochloride is deuterium labeled (1R,2S,7R)-Sitafloxacin hydrochloride (HY-B0395D). (R)-Sitafloxacin (DU-6857), a stereoisomer of Sitafloxacin (DU-6859a), is also an inhibitor of topoisomerases, with an IC50 of 0.18 μg/mL of DNA gyrase.