2-Undecanol (Undecan-2-ol) is a male specific compound extracted from aeration of live Lobiopa insularis beetles. 2-undecanol is a flower emitted volatile, used by various species of Hymenoptera as a pheromone component.

Iα52 is a naturally processed peptide encompassed the residues 52-68 of the murine I-Eα chain and may contribute to selection of immature T cells.

NADH is the reduced form of nicotinamide adenine dinucleotide (NAD) that can donate electrons as part of a reducing reaction. In that process NADH becomes oxidized to produce NAD+. A variety of enzymes use NADH plus H+ to reduce substrates generating NAD+ as well as the reduced product.