1 BJ2 (2~{S})-1-[(2~{S})-2-[[(1~{S})-1-[(2~{S})-1-[(2~{S})-2-azanyl-4-oxidanyl-4-oxidanylidene-butanoyl]pyrrolidin-2-yl]-2-oxidanyl-2-oxidanylidene-ethyl]amino]propanoyl]pyrrolidine-2-carboxylic acid 1.000 2 A1IJX (2s)-1-[(2s)-2-[[(1s)-1-[(2s)-1-[(2s)-2-azanyl-5-oxidanyl-5-oxidanylidene-pentanoyl]pyrrolidin-2-yl]-2-oxidanyl-2-oxidanylidene-ethyl]amino]propanoyl]pyrrolidine-2-carboxylic acid 0.848 3 A1IJZ (2s)-1-[(2s)-2-[[(1s)-1-[(2s)-1-[(2s)-2-azanyl-3-phenyl-propanoyl]pyrrolidin-2-yl]-2-oxidanyl-2-oxidanylidene-ethyl]amino]propanoyl]pyrrolidine-2-carboxylic acid 0.750