Zaragozic acid D(2)

Formula : C36-H50-O14
CAS : 155179-15-0 

Isolated from the keratinophilic fungus Amauroascus niger; inhibits squalene synthase and ras farnesyl-protein transferase.

Zarzissine

Formula :
CAS : 160568-14-9 

A 4, 5-guanidino-pyridazine; an alkaloid from the Mediterranean sponge Anchinoe paupertas.