The molecule with the SMILES Cn1c(=O)c2c(no[n+]2[O-])c2ccccc21 displays no activity against the human immunodeficiency virus.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.
5-methyl-3-oxido-[1,2,5]oxadiazolo[3,4-c]quinolin-3-ium-4-one