In the presence of 0.1 M NaOH solution, a very fast
degradation was observed. The degradation was about
35% and 99% after 1 h or 48 h at room temperature
(Table 5). The degradation of tablet powder was more
under the same conditions (Table 6). Under basic conditions,
the formation of a small peak at the retention time
of 1.2 min was evident (Figure 2c). Also a white crystal
was produced which was increased by increasing the