(Hexahydro-1H-azepin-1-yl)phosphonic acid cyclic O,O,O',O'-neopentanetetrayl ester 19341-49-2 1H-Azepine, 1,1'-(2,4,8,10-tetraoxa-3,9-diphosphaspiro(5.5)undecane-3,9-diyl)bis(hexahydro-, P,P'-dioxide (9CI) NSC 84497 Phosphonic acid, (hexahydro-1H-azepin-1-yl)-, cyclic O,O,O',O'-neopentanetetrayl ester Phosphonic acid, (hexahydro-1H-azepin-1-yl)-, cyclic diester with pentaerythritol