139548-36-0 2(1H)-Pyridinone, 5-ethyl-3-[[(3-methoxy-5,6-dimethyl-2-pyridinyl)methyl]amino]-6-methyl- 3-[[(3-Methoxy-5,6-dimethyl-2-pyridyl)methyl]amino]-5-ethyl-6-methylpyridin-2(1H)-one AIDS-004578 AIDS004578 Pyridinone deriv.