| 英文名称: | | ethyl-phosphonic aci cyclic methylene-o-phenylene ester | | 2-ethyl-4h-1,3,2-benzodioxaphosphorin-2-oxide | | 3,2-benzodioxaphosphorin, 2-ethyl-4h- 2-oxide | | ethylphosphonic acid cyclic methylene-o-phenylene ester | | ethyl-phosphonic aci cyclic methylene-o-phenyleneester |
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