prov:value
| - wherein R1 and R2 are independently alkyl groups comprising 1 to 18 carbons, or hydroxyalkyl groups such as hydroxyethyl or hydroxypropyl groups, R3 is a methyl group, n is an integer from 2 to 150, m is an integer from 20 to 2,000, and X??? is a compatible anion, such as fluoride, chloride, bromide, iodide, nitrate, or nitrite.
|