PEX5-PEX14 PPI-IN-2 (compound 12) is a PEX14-PEX5 protein-protein interaction (PPI) inhibitor. PEX5-PEX14 PPI-IN-2 inhibits PEX14-PEX5 PPI with EC 50 values of 5 and 17 µM in T. b. brucei and HepG2 cells, respectively. PEX5-PEX14 PPI-IN-2 can be used in the research of diseases related to trypanosome infection.