115314-14-2
(S)-(+)- 间硝基苯磺酸缩水甘油酯
+
75-31-0
异丙胺
177034-57-0
4-异丙氧基乙氧基甲基酚
→
~90%
99103-03-4
S-(-)-BISOPROLOL
118712-60-0
4-硝基苯磺酸(S)-环氧丙酯