145901-95-7 2(1H)-Pyridinone, 5-ethyl-3-[[(4-methoxy-3-pyridinyl)methyl]amino]-6-methyl- 3-[[(6-Methoxy-3-pyridinyl)methyl]amino]-5-ethyl-6-methylpyridin-2(1H)-one AIDS-004599 AIDS004599 Pyridinone deriv.