A-176120 is a potent farnesyl pyrophosphate (FPP) analogues, it selectively inhibits farnesyltransferase. It has anti-angiogenic potential and may reduce H-ras NIH3T3 tumour growth.
FTI-2153 is a potent and highly selective farnesyltransferase (FTase) inhibitor (IC50: 1.4 nM). FTI-2153 is >3000-fold more potent at blocking H-Ras (IC50, 10 nM) than Rap1A processing.