139547-91-4 2(1H)-Pyridinone, 5-ethyl-3-[[(5-ethyl-2-methoxyphenyl)methyl]amino]-6-methyl- 3-[(5-Ethyl-2-methoxybenzyl)amino]-5-ethyl-6-methylpyridin-2(1H)-one AIDS-004606 AIDS004606 Pyridinone deriv.