2-Amino-6-cyclopropylamino-9H-purine,the key intermediate of abacavir was synthesized from ethyl cyanoacetate by nitrosation,cyclization with guanidine hydrochloride in the presence of EtONa and reduction to give 2,4,5-triamino-6-hydroxypyrimidine.

Butyl isothiocyanate is an isothiocyanate having a butyl group attached to the?nitrogen. It has a role as a hapten.

Sabinene is a natural product that has antifungal and anti-inflammatory properties.