1,5-Dimethyl-3-(diphenoxyphosphoryl)-9-oxo-3,7-diazabicyclo(3.3.1)nonane 172881-96-8 Diphenyl (1,5-dimethyl-9-oxo-3,7-diazabicyclo(3.3.1)non-3-yl)phosphonate Phosphonic acid, (1,5-dimethyl-9-oxo-3,7-diazabicyclo(3.3.1)non-3-yl)-, diphenyl ester