Organic acids
Lipids
Carbohydrates
Nucleic acids
Bases [Fig]
Nucleosides [Fig]
Nucleotides [Fig]
Ribonucleotides
Deoxyribonucleotides
C00360 dAMP C00206 dADP C00131 dATP C00362 dGMP C00361 dGDP C00286 dGTP C00365 dUMP C01346 dUDP C00460 dUTP C00364 dTMP C00363 dTDP C00459 dTTP C00239 dCMP C00705 dCDP C00458 dCTP
Cyclic nucleotides [Fig]
Peptides
Vitamins and cofactors
Steroids
Hormones and transmitters
Antibiotics