This version of 3AA-19.4 does not use the HTML table format.
3AA-19.4. Peptides Substituted at N-2 (see 3AA-16.2 and 3AA-17.1)
Glycylnitrosoglycine
Glycylsarcosine (see Appendix) 
Glycyl-N-acetylglycine 
N,N-diglycylglycine 