Brand ritalin or methylin er. . Methylphenidate (Ritalin, Ritalin SR, Methylin, Methylin ER) is also used to treat narcolepsy (a sleep . Focalin is . . . an "AB" rating, which means they are considered equivalent to the brand-name version. The latest data from the S&P/Case-Shiller Index suggests that housing prices are. . Methylin Er . . BALTIMORE (Stockpickr) -- Housing has been under fire in 2011. In other words the generic version Methylin ER should be equivalent to Ritalin SR. Meth... more