2(1H)-Quinolinone, 3,4-dihydro-1-methyl-7-(3-(4-(phenylmethyl)-1-piperidinyl)propoxy)-, ethanedioate (1:1)

Oxalic acid--7-[3-(4-benzylpiperidin-1-yl)propoxy]-1-methyl-3,4-dihydroquinolin-2(1H)-one (1/1)