CAS:139755-91-2
5-[2-Hydroxy-5-(4-Methylpiperazinylsulphonyl)phenyl]1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyraMidin-7-one;5-[2-Hydroxy-5-[[4-(Methyl)-1-piperazinyl]sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-propyl-7H-pyrazolo[4,3-d]pyriMidin-7-one