(1,1'-Biphenyl)-4-methanamine, N,N-dimethyl-4'-propoxy-, N-oxide, dihydrate 162439-90-9 4'-Propoxybiphenyl-4-methyl-N,N-dimethylamineoxide N,N-Dimethyl-4'-propoxy-(1,1'-biphenyl)-4-methanamine N-oxide, dihydrate Pbipao