2-(2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propyl-3H-pyrrolo[2,3-d]pyrimidin-4(7H)-one-D8;2-{2-Ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl}-5-methyl-7-propyl-1,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one-D8;4H-Pyrrolo[2,3-d]pyrimidin-4-one, 2-[2-ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl]-1,7-dihydro-5-methyl-7-propyl-D8
