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3-CARBOXY-PROPIONATE1,2,4-TRIMETHYL-1,2,3,4-TETRAH YDRO-BENZO[4,5]FURO[3,2-C]PYRIDIN-8-YL-AMMONIUM |
3-CARBOXY-PROPIONATE1,2,4-TRIMETHYL-1,2,3,4-TETRAH YDRO-BENZO[4,5]FURO[3,2-C]PYRIDIN-8-YL-AMMONIUM |
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Carbonic acid, polymer with 1,6-hexane-diol, 1,1'-methylenebis[4-isocyanato-benzene] and 2,2'-[1,4-phenylenebis(oxy)bis[ethanol] |
碳酸与1,6-己二醇、1,1'-亚甲基双(4-异氰酸根合苯)和2,2'-[1,4-亚苯基双(氧基)]双(乙醇)的聚合物 |
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