A Fast and Validated HPLC Method for the Simultaneous Analysis of Five 5-HT₃ Receptor Antagonists via the Quantitative Analysis of Multicomponents by a Single Marker

Table 4

1st UV spectra similarity of the five 5-HT3 receptor antagonists.

	Azasetron	Granisetron	Tropisetron	Ondansetron	Ramosetron
Azasetron	1.0000
Granisetron	0.1764	1.0000
Tropisetron	0.1069	0.5472	1.0000
Ondansetron	0.3419	0.3880	0.4861	1.0000
Ramosetron	0.4371	0.5021	0.5515	0.8837	1.0000