The SMILES COC(=O)CC(=O)C=P(c1ccccc1)(c1ccccc1)c1ccccc1 is not active against HIV.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.
methyl 3-oxo-4-(triphenyl-λ5-phosphanylidene)butanoate