135525-66-5 1H-Isoindole-1,3(2H)-dione, 2-(2-(5-ethyl-1,2-dihydro-6-methyl-2-oxo-3-pyridinyl)ethyl)- 2-Pyridinone deriv. 5-Ethyl-6-methyl-3-[(2-phthalimido)ethyl]-2-pyridinone AIDS-002977 AIDS002977 L 693593 L-693,593