 1 1 mixture of substance based on 2-pyridin-2-yldisulfanylethyl 2,2-dimethylpropanoatebutylsulfanylsulfanylmethanethione-terminated polyN-isopropyl acrylamide-co-polydimethylacrylamide2-pyridin-2-yldisulfanylethyl 2,2-dimethylpropanoatebutylsulfanylsulfanylmethanethione-terminated polyN-isopropyl acrylamide-co-polydimethylacrylamide2-propyn-1-yl 2,2-dimethylpropanoatebutylsulfanylsulfanylmethanethione-terminated polyN-isopropyl acrylamide-co-polydimethylacrylamide2-propyn-1-yl 2,2-dimethylpropanoatebutylsulfanylsulfanylmethanethione-terminated polyN-isopropyl acrylamide-co-polydimethylacrylamidemethyl 2-propanoatebutylsulfanylsulfanylmethanethione-terminated polyN-isopropyl acrylamide-co-polystyrenemethyl 2-propanoatebutylsulfanylsulfanylmethanethione-terminated polyN-isopropyl acrylamide-co-polystyrene 