1 2G2 L-gamma-glutamyl-O-[(S)-{[(1s)-1,3-dicarboxypropyl]amino}(hydroxy)phosphoryl]-L-serine 1.000 2 T01 N-(4-fluorobenzoyl)-L-gamma-glutamyl-O-[(S)-{[(1s)-1,3-dicarboxypropyl]amino}(hydroxy)phosphoryl]-L-serine 0.718