Not Less Than - 95%
2-Methoxy-5-[(2R)-2-[[2-(2-methoxyphenoxy)ethyl]amino]propyl]benzenesulfonamide; (R)-2-Methoxy-5-(2-((2-(2-methoxyphenoxy)ethyl)amino)propyl)benzenesulfonamide; 2-Methoxy-5-[(2R)-2-[(2-(2-Methoxyphenoxy))ethyl]amino]propyl]benzenesulphonamide; Tamsulosin Hydrochloride Impurity A (IP);