| 英文名称: | | Poly(difluoromethylene),.alpha.,.alpha.'-[phosphinicobis(oxy-2,1-ethanediyl)]bis[.omega.-fluoro-,ammonium salt | | Poly(difluoromethylene), .alpha.,.alpha.'-[phosphinicobis (oxy-2,1-ethanediyl)]bis[.omega.-fluoro-, ammonium salt | | alpha,alpha'-[phosphinicobis(oxy-2,1-ethanediyl)]bis[ omega -fluoro-poly(difluoromethyleneammonium salt |
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