2-Naphthalenemethanamine, 1,2-dihydro-N,N-dimethyl-4-phenyl-, ethanedioate (1:1) 3-Dimethylaminomethyl-1-phenyl-3,4-dihydronaphthalene oxalate 83657-71-0 N,N-Dimethyl-4-phenyl-1,2-dihydro-2-naphthalenemethanamine ethanedioate (1:1)