| 英文同义词: | 2-Propenoic acid, 2-methyl-, methyl ester, polymer with ethenyl acetate, 1-ethenyl-2-pyrrolidinone, ethyl 2-propenoate and 2-propenoic acid;2-Propenoic acid, 2-methyl-, methyl ester, polymer with ethenyl acetate, 1-ethenyl-2-pyrrolidinone, ethyl 2-propenoate and 2-propenoic acid 2-propenoic acid, 2-methyl-, methyl ester, polymer with ethenyl acetate, 1-ethe nyl-2-pyrrolidinone, ethyl 2-propenoate and 2-propenoic acid 2-propenoic acid, 2-methyl-, methyl ester, polymerwith ethenyl acetate, 1-ethenyl-2-pyrrolidinone, ethyl 2-propenoateand 2-propenoic acid 2-Propenoic acid,2-methyl-,methyl ester,polymer with ethenyl acetate,1-ethenyl-2-pyrrolidinone,ethyl 2-propenoate and 2-propenoic acid |