N-Acetyl D-amino acids
N-Acetyl L-Amino acids
N-Acetyl D-Amino alcohols
N-Acetyl L-Amino alcohols
N-Benzoyl D-Amino acids
N-Benzoyl L-Amino acids
N-Benzoyl D-Amino alcohols
N-Benzoyl L-Amino alcohols
Nicotinic acid analogues