135525-77-8 2(1H)-Pyridinone, 3-(((4,7-dimethyl-2-benzoxazolyl)methyl)amino)-5-ethyl-6-methyl- 3-(((4,7-Dimethyl-1,3-benzoxazol-2-yl)methyl)amino)-5-ethyl-6-methylpyridin-2(1H)-one DRG-0101 L 697639 L-697,639 L-697,639 [J Med Chem 1992 Oct 16;35(21)]