label: O2-acetoxymethyl 1-(2-(4-(4-(4-methanesulfonylphenyl)-5H-furan-2-on-3-yl)phenylmethoxycarbonyl)pyrrolidin-1-yl)diazen-1-ium-1,2-diolate
label_lc: o2-acetoxymethyl 1-(2-(4-(4-(4-methanesulfonylphenyl)-5h-furan-2-on-3-yl)phenylmethoxycarbonyl)pyrrolidin-1-yl)diazen-1-ium-1,2-diolate