1,2,3,4-TETRAHYDRO-8,9-DIMETHOXY-3-(2-(1-PIPERIDINYL)PROPYL)-5H-(1)BENZOPYRANO(3,4-C)PYRIDIN-5-ONE MALEATE
1,2,3,4-tetrahydro-8,9-dimethoxy-3-(2-(1-piperidinyl)propyl)-5h-(1)benzopyrano(3,4-c)pyridin-5-one maleate