1 JOE 2-[[(3~{S})-2,5-bis(oxidanylidene)pyrrolidin-3-yl]carbamoyl]-6-nitro-benzoic acid 1.000 2 JO8 3-azanyl-2-[[(3~{S})-2,5-bis(oxidanylidene)pyrrolidin-3-yl]carbamoyl]benzoic acid 0.826 3 JO2 2-[[(3~{S})-2,5-bis(oxidanylidene)pyrrolidin-3-yl]carbamoyl]-4-nitro-benzoic acid 0.760 4 JNW 2-[[(3~{S})-2,6-bis(oxidanylidene)piperidin-3-yl]carbamoyl]benzoic acid 0.750