The molecule with the SMILES representation of O=c1oc2ccccc2c2nccnc12 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}.
O=c1oc2ccccc2c2nccnc12
O=c1oc2ccccc2c2nccnc12
chromeno[3,4-b]pyrazin-5-one