4-(4-Methoxyphenyl)-2,6,8,9-tetraphenyl-1,3,7-triazabicyclo[3.3.1]non-3-ene AIDS-128883 AIDS128883 Methyl 4-(2,6,8,9-tetraphenyl-1,3,7-triazabicyclo[3.3.1]non-3-en-4-yl)phenyl ether NSC303854