119332-15-9 2-Methyl-2-propenoic acid, methyl ester, polymer with 2-propenenitrile 2-Propenenitrile, polymer with methyl 2-methyl-2-propenoate 2-Propenoic acid, 2-methyl-, methyl ester, polymer with 2-propenenitrile 24937-89-1 30396-85-1 8013-92-1