发明授权
US4098813A Preparation of alkali metal choline salicylate salt complexes 失效
碱金属醇盐盐酸盐复合物的制备

Preparation of alkali metal choline salicylate salt complexes
摘要:
Choline salicylate sulfite and choline salicylate alkali metal sulfite-containing compounds of the formula, ##STR1## WHEREIN Me represents the sodium, potassium or lithium ion and R represents the sulfite, bisulfite, metabisulfite, dithionate, hydrosulfite and hyposulfite groups are described. Said compounds are stable and inhibit the formation of color in pharmaceutical preparations containing the same. The method for the preparation of choline salicylate sulfite and choline salicylate alkali metal sulfite-containing compounds, and pharmaceutical dosage forms containing the same are disclosed together with a method for their use to inhibit color formation.
公开/授权文献
信息查询
0/0