143707-89-5 3-[[(4-Oxo-2-quinazolinyl)methyl]amino]-5-ethyl-6-methylpyridin-2(1H)-one 4(1H)-Quinazolinone, 2-[[(5-ethyl-1,2-dihydro-6-methyl-2-oxo-3-pyridinyl)amino]methyl]- AIDS-004627 AIDS004627 Pyridinone deriv.