Quinoxalinylethylpyridylthioureas (QXPTs) as Potent Non-Nucleoside HIV-1 Reverse Transcriptase (RT) Inhibitors. Further SAR Studies and Identification of a Novel Orally Bioavailable Hydrazine-Based Antiviral AgentGiuseppe Campiani, Silvio Caccia, Giovanna Guiso et al.|Journal of Medicinal Chemistry|2001Cited by 94