139548-16-6 2(1H)-Pyridinone, 5-ethyl-3-[[(5-ethyl-1,2-dihydro-6-methyl-2-oxo-3-pyridinyl)amino]methyl]-6-methyl- 3-[N-[(1,2-Dihydro-5-ethyl-6-methyl-2-oxopyridin-3-yl)methyl]amino]-5-ethyl-6-methylpyridin-2(1H)-one AIDS-004574 AIDS004574 Pyridinone deriv.