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 3

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

	Azasetron	Granisetron	Tropisetron	Ondansetron	Ramosetron
Azasetron	1.0000
Granisetron	0.8964	1.0000
Tropisetron	0.9049	0.9364	1.0000
Ondansetron	0.8719	0.9166	0.9238	1.0000
Ramosetron	0.8969	0.9164	0.9078	0.9823	1.0000