Afatinib impurity 11 is an impurity of Afatinib. Afatinib is an irreversible EGFR family inhibitor with IC50s of 0.5 nM, 0.4 nM, 10 nM and 14 nM for EGFRwt, EGFRL858R, EGFRL858R/T790M and HER2, respectively[1].
[1]. Li D, et al. BIBW2992, an irreversible EGFR/HER2 inhibitor highly effective in preclinical lung cancer models. Oncogene. 2008 Aug 7;27(34):4702-11.
TY 11223 is a chemically stable homoisocarbacyclin analog. It has showed potent and long-lasting activities in inhibiting platelet aggregation and a good selectivity in biological activities.
NF157 significantly decreases the expression of metalloproteinase (MMP)-3, MMP-13, which can be used in the treatment of osteoarthritis (OA). NF157 is a highly selective nanomolar P2Y11 antagonist (pKi: 7.35). The IC50s are 463 nM, 1811 µM, 170 µM for P2Y