(+)-3-morpholino-4-(3-t-butylamino-2-hydroxypropoxy)-1,2,5-thiadiazole hydrogen maleate, rac Timolol Maleate, t-butylamino-3-(4-morpholino-1,2,5-thiadiazol-3-yloxy)-2-propanol hydrogen maleate, 3-morpholino-4-(3-tert-butylamino-2-hydroxypropoxy)-1,2,5-thiadiazole hydrogen maleate, (S)-1-[(1,1-Dimethylethyl), HMS3263N19, EINECS 260-544-1, timolol maleate