Butanedioic acid, polymer with4-Hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol

1-(2-hydroxyethyl)-2,2,6,6-tetramethyl-4-hydroxypiperidine. ; butanedioic acid, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol ; 1-(2-hydroxyethyl)-2,2,6,6-tetramethyl-4-hydroxypiperidine,succinicacidpolymer ; photo-stabilizer 622 ; 1-(2-hydroxyethyl)-2,2,6,6-tetramethyl-4-piperidinol/succinic acid copolyme ; butanedioic acid, polymer wity 4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol ; butanedioicacid,polymerwith4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethano