Only nonpolar and hydrophilic functional group
Methyl
Methyl
-CH3
Hydroxyl
-OH
Carboxyl
-COOH
Carbonyl
> CO
Amino
-NH2
Phosphate
-OPO3-2
Sulfhydryl
-SH
Methyl compound name
Methylated compounds
Hydroxyl compound name
Alcohols
Carboxyl compound name
Carboxyl acids
Carbonyl compound names
Ketones (middle)
Aldehydes (end)
Amino compound name
Amines
Phosphate compound names
Organic phosphates
Sulfhydryl compound names
Thiols