The chemical compound with the SMILES representation of Cn1[nH]c(=O)c2ccccc2c1=O is not an inhibitor of 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}.
Cn1[nH]c(=O)c2ccccc2c1=O
Cn1[nH]c(=O)c2ccccc2c1=O
3-methyl-2H-phthalazine-1,4-dione