Pyridine: the scaffolds with significant clinical diversity

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9121228/

Glycine
Pyridine
Ethanoic Acid
Aminoethanoic Acid
Ethanoic Acetic
Carbamic Acid

Acidity (pKa)
2.34 (carboxyl)
9.6 (amino)

..

Cysteine
Thiamine
Thiazoline
NAC
Glycine
Betaine
GlyNAC