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Table 3 UV spectroscopy for sulfamethoxazole and its derivatives

From: Synthesis and characterization of Schiff's bases of sulfamethoxazole

Compounds

Absorption bands (nm)

Assigned transition

Sulfamethoxazole

280

π → π*

(1)

282, 310

π → π*, n → π*

(2)

250, 360

π → π*, n → π*

(3)

270

π → π*

(4)

271

π → π*

(5)

270

π → π*