139874-37-6 147626-53-7 2-Butenedioic acid (2Z)-, polymer with 2-propenoic acid 2-Butenedioic acid (Z)-, polymer with 2-propenoic acid 208401-79-0 212210-67-8 29132-58-9 Acrylic acid, maleic acid polymer CCRIS 3237 Maleic-acrylic acid copolymer Sokalan cp-6