Noxol ETH
Noxol ETH, Copolymer of 1-naphtol and formaldehyde, solution in water, CAS 25359-91-5, Organic peroxide, Noxol® ETH is a copolymer of 1-naphtol and formaldehyde, solution in water and ethanol.
https://www.nouryon.com/product/noxol-eth-copolymer-of-1-naphtol-and-formaldehyde-solution-in-water-cas-25359-91-5/