139548-20-2 2(1H)-Pyridinone, 5-ethyl-3-[[(2-methoxy-4-methylphenyl)methyl]amino]-6-methyl- 3-[(2-Methoxy-4-methylbenzyl)amino]-5-ethyl-6-methylpyridin-2(1H)-one AIDS-004602 AIDS004602 Pyridinone deriv.