2,2,4,4,6,6-Hexahydro-2,2,4,4,6,6-hexapropoxy-1,3,5,2,4,6-triazatriphosphorine

2,2,4,4,6,6-hexahydro-2,2,4,4,6,6-hexapropoxy-1,2,3,4,5,6-triazatriphosphorine

1,1,3,3,5,5-hexapropoxy-2,4,6-triaza-1$l^{5},3$l^{5},5$l^{5}-triphosphacyclohexa-1,3,5-triene