145901-99-1 2(1H)-Pyridinone, 5-ethyl-3-[[(4-ethyl-2-methoxyphenyl)methyl]amino]-6-methyl- 3-[(4-Ethyl-2-methoxybenzyl)amino]-5-ethyl-6-methylpyridin-2(1H)-one AIDS-004605 AIDS004605 Pyridinone deriv.