Timolol EP Impurity B

Chemical Name: (2RS)-3-[(1,1-dimethylethyl)amino]-2-[[4-(morpholin-4-yl)-1,2,5-thiadiazol-3-yl]oxy]propan-1-ol (as per EP) ; 3-(tert-Butylamino)-2-(4-morpholino-1,2,5-thiadiazol-3-yloxy)propan-1-ol (as per USP)

Synonym: Timolol USP Related Compound B ; Isotimolol