Tolterodine EP Impurity C

Chemical Name: Tolterodine USP RC A ; N,N-diisopropyl-3-(2-methoxy-5-methylphenyl)-3-phenylpropan-1-amine; 2-Methoxy-5-methyl-N,N-bis(1-methylethyl)-γ-phenylbenzenepropanamine;N,N-Diisopropyl-3-(2-methoxy-5-methylphenyl)-3-phenylpropylamine;N-[3-(2-Methoxy-5-methylphenyl)-3-phenylpropyl]-diisopropylamine;