<unk>  is an intermediate in the fermentation of butyric acid, and in the metabolism of lysine and tryptophan.
Crotonyl-coenzyme A
Glycobiarsol
Inositol nicotinate
Nicotinamide adenine dinucleotide
Flavin
Uridine triacetate
Nicotinamide adenine dinucleotide phosphate
Pyridoxal phosphate