B-[4-[[4-[[3-[(4-fluorophenyl)methyl]-2，4-dioxo-5-thiazolidinylidene]methyl]phenoxy]methyl]phenyl]-boronic acid

B-[4-[[4-[[3-[(4-fluorophenyl)methyl]-2，4-dioxo-5-thiazolidinylidene]methyl]phenoxy]methyl]phenyl]-boronic acid ≥98%