There's a few different forms of methylphenidate, the only two that I know of off the top of my head are Ritalin and Concerta, but there might be more I don't know of.
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"I don't know what I'm looking for."
"Why not?"
"Because...because...I think it might be because if I knew I wouldn't be able to look for them."
"What, are you crazy?"
"It's a possibility I haven't ruled out yet,"
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