The chemical with the SMILES Cn1nnnc1Sc1ncnc2scc(-c3ccccc3)c12 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}.
Cn1nnnc1Sc1ncnc2scc(-c3ccccc3)c12
Cn1nnnc1Sc1ncnc2scc(-c3ccccc3)c12
4-(1-methyltetrazol-5-yl)sulfanyl-5-phenylthieno[2,3-d]pyrimidine