Q: Is it known whether this drug is applied topically?
 The Chemical can be represented with the SMILES O=c1[n-]cnc2[nH]ncc12.[Na+].
Answer: No
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
O=c1[n-]cnc2[nH]ncc12.[Na+]
O=c1[n-]cnc2[nH]ncc12.[Na+]
sodium;1H-pyrazolo[3,4-d]pyrimidin-5-id-4-one
Is it known whether this drug is applied topically?
No