Salt of 1,2-dihydropyridine compound
An acid addition salt of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one or a hydrate thereof, wherein the acid is selected from the group consisting of benzenesulfonic acid, p-toluenesulfonic acid, hydrochloric acid, hydrobromic acid, sulfuric acid, methanesulfonic acid, fumaric acid, tartaric acid, succinic acid and benzoic acid.
1. An acid addition salt of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one, wherein the acid is selected from the group consisting of hydrochloric acid, hydrobromic acid, sulfuric acid, methanesulfonic acid and a hydrate of hydrochloric acid.
2. 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one hydrochloride.
3. 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one hydrobromate.
4. 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one sulfate.
5. 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one methanesulfonate.