The molecule with the SMILES Cn1ncc2nnn(-c3ccccc3)c(=O)c21 is not an inhibitor of the protein kinase A (PKA).
The {#molecule|compound|chemical|molecular species|chemical compound!} with the {SMILES__description} {#representation of |!}{SMILES#} is {MUV-548#not &NULL}{MUV-548__names__noun}.
Cn1ncc2nnn(-c3ccccc3)c(=O)c21
Cn1ncc2nnn(-c3ccccc3)c(=O)c21
5-methyl-3-phenylpyrazolo[4,3-d]triazin-4-one