Hexahydroxy N-containing heterocyclic compound without sulfur and phosphorus was synthesized and its structure was characterized.
合成了无硫、磷的六元含氮杂环化合物添加剂。
2
In synthesis method, the non-phytic acids such as hexahydroxy-benzene and starch are passed through chemical reactions to produce phytic acid.
合成法主要是以非植酸化合物为原料（如六羟基苯、淀粉等）通过化学反应制得。
3
Melamine, urea and formaldehyde underwent hydroxymethylation and etherification to yield a composed resin glue of methyl-etherified hexahydroxy methylmelamine and methyl-etherified hydroxymethylurea.