The molecule with the SMILES NN=c1nc2[nH]o[nH]c-2nc1=NN 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}.
(6-diazanylidene-1H-[1,2,5]oxadiazolo[3,4-b]pyrazin-5-ylidene)diazane