1 D05 6-(3,4-dihydroxybenzyl)-3-ethyl-1-(2,4,6-trichlorophenyl)-1h-pyrazolo[3,4-D]pyrimidin-4(5h)-one 1.000 2 RS5 1-[2,6-bis(chloranyl)phenyl]-6-[[4-(2-hydroxyethyloxy)phenyl]methyl]-3-propan-2-yl-5h-pyrazolo[3,4-D]pyrimidin-4-one 0.771