139548-56-4 2(1H)-Pyridinone, 5-ethyl-3-[[(2-methoxy-5,6-dimethyl-3-pyridinyl)methyl]amino]-6-methyl- 3-[[(2-Methoxy-5,6-dimethyl-3-pyridinyl)methyl]amino]-5-ethyl-6-methylpyridin-2(1H)-one AIDS-004609 AIDS004609 Pyridinone deriv.