139548-19-9 2(1H)-Pyridinone, 5-ethyl-3-[[(2-methoxy-5-methylphenyl)methyl]amino]-6-methyl- 3-[(2-Methoxy-5-methylbenzyl)amino]-5-ethyl-6-methylpyridin-2(1H)-one AIDS-004603 AIDS004603 Pyridinone deriv.