23869-24-1Relevant articles and documents
PREPARATION METHOD OF TRIHYDROXYETHYL RUTOSIDE
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Paragraph 0073; 0074; 0075, (2017/01/05)
The present invention refers to tree hydrocyethylmetacrylate base toe side relates to manufacturing method of (trihydroxyethyl rutoside), said method (rutin) routine first content is detected to be compared with a 98% or more 7- base toe side hydrocyethylmetacrylate mono (7-monohydroxyethyl rutoside) after prepared with, continues to 7-mono hydrocyethylmetacrylate of hydrocyethylmetacrylate for on base toe side non by performing a photo lithography process (hydroxyethylated) (-glycidyl) 2% impurities derivatives base toe side of hydrocyethylmetacrylate [...] be smaller than present, obtains and makes (troxerutin), during said [...] 7,3 ', 4' -80% hydroxyethyl base toe side weight content and present, said continues product 98% or more weight content which comprises purifying an 7,3 ', 4' -may yield an hydroxyethyl base toe side.