Compounds of stoichiometric composition [X2PN]n
, in which X
is alkoxy, halogen, or other electronegative group, and n is a variable integer, the value of which may not be known.
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1358 (https://doi.org/10.1351/pac199567081307)