1 GQJ Methyl (2~{S},4~{R})-1-(furan-2-ylcarbonyl)-4-oxidanyl-pyrrolidine-2-carboxylate 1.000 2 ZLX Methyl (2~{S},4~{S})-1-(furan-2-ylcarbonyl)-4-oxidanyl-pyrrolidine-2-carboxylate 1.000