AIDS-161480 AIDS161480 Diethyl 3-amino-2,4,6-trimethylphenylphosphonate N,N-Diethyl-2-azabicyclo[3.2.0]hepta-2,6-dien-3-amine N-(2-Azabicyclo[3.2.0]hepta-2,6-dien-3-yl)-N,N-diethylamine NSC694099 NSC694100