The chemical with the SMILES COC(=O)c1nonc1NCn1nnc2ccccc21 is not an inhibitor of the protein kinase A.
The {#molecule|compound|chemical|molecular species|chemical compound!} with the {SMILES__description} {#representation of |!}{SMILES#} is {MUV-548#not &NULL}{MUV-548__names__noun}.
COC(=O)c1nonc1NCn1nnc2ccccc21
COC(=O)c1nonc1NCn1nnc2ccccc21
methyl 4-(benzotriazol-1-ylmethylamino)-1,2,5-oxadiazole-3-carboxylate