1,3,5,2,4,6-Triazatriphoxphorine, 1,2,2,4,4,6-hexahydro-2,2,4,4,6-pentaphenoxy-, 6-oxide, (+-)- 133536-29-5 6-Oppcpd 6-Oxo-2,2,4,4,6-pentaphenoxycyclotri-lambda(5)-phosphazane-1,3-diene