1-piperazineacetic acid 4-((3-(4,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo(4,3-d)pyrimidin-5-yl)-4-ethoxyphenyl)sulfonyl)-4-(3-thioxo-3H-1,2-dithiol-5-yl)phenyl ester
1-piperazineacetic acid 4-((3-(4,7-dihydro-1-methyl-7-oxo-3-propyl-1h-pyrazolo(4,3-d)pyrimidin-5-yl)-4-ethoxyphenyl)sulfonyl)-4-(3-thioxo-3h-1,2-dithiol-5-yl)phenyl ester