HRID39112

反应详情

EQUATION

反应方程式

HRID 39112 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

22.6 g of promethazine HCl, 25.0 g of polyvinylpyrrolidone K 90 prepared as in Example 8, 5.0 g of citric acid, 2.0 g of sorbic acid and 60.0 g of sucrose were dissolved in 975.0 g of demineralized water at 50° C., and the solution was cooled to room temperature and dispensed into 50 ml amber glass bottles.