PF-06446846 hydrochloride, an orally active and highly selective inhibitor, targets Proprotein Convertase Subtilisin/Kexin type 9 (PCSK9) translation by inducing ribosomal stalling at approximately codon 34, effectively suppressing PCSK9 expression.

Myrrhone is a natural product.

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.