UDP-AAGM-DIAMINOHEPTANEDIOATE UDP-MurNAc-L-Ala-D-Glu-mesoA2pm UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-meso-2,6-diaminoheptanedioate UDP-N-acetylmuramoyl-L-alanyl-gamma-D-glutamyl-meso-diaminopimelate