5-Chloro-3-(N-(1,2,3-trihydroxybutyl)sulfinamoyl)thiophene-2-carboxamide is an impurity of Lornoxicam and can also be obtained from 2-Cyanopyridine (C982170) which is a cyano substituted pyridine. 2-Cyanopyridine is a related compound of nicotine and is a component of tobacco smoke condensate.
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