The chemical compound with the SMILES c1ccc2c(c1)nc(-c1ccncc1)n1nnnc21 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}.
c1ccc2c(c1)nc(-c1ccncc1)n1nnnc21
c1ccc2c(c1)nc(-c1ccncc1)n1nnnc21
5-pyridin-4-yltetrazolo[1,5-c]quinazoline