hydroxyl formula?
-OH
ethanol
carbonyl formula?
> CO
acetone & propanol
carboxyl formula?
-COOH
acetic acid
amino formula?
-NH(2)
glycine
sulfyhydryl formula?
-SH
ethanethiol
phosphate formula?
-OPO(3)2- / -OPO(3)H(2)
glycerol phosphate
methyl formula?
-CH(3)
5-methyl cytidine