GR 159897 is a competitive, brain-penetrated non-peptide NK2 receptor antagonist with anti-tumor effects. GR 159897 inhibits binding of [3H]GR100679 to human NK2-CHO cells and rat colon membranes (pKis: 9.51 and 10, respectively). It can antagonize bronch
CS-003 free base (CS-003) is a triple tachykinin receptor antagonist with high affinity for human (neurokinin) NK1, NK2 and NK3 receptors, with Ki values of 2.3 nM and 0.54 nM, respectively And 0.74 nM. CS-003 free base (CS-003) has therapeutic effects on