CP 96345 [ 2-(diphenylmethyl)-N-((2-methoxyphenyl)methyl)-1-azabicyclo(2.2.2)octan-3-amine,CP 96,345,CP 96344,CP-96,344,CP-96345 ] structure given in first source; potent nonpeptide antagonist of the substance P (NK1) receptor; CP 96344 is enantiomer of CP 96345