http://vvedndyt433kopnhv6vejxnut54y5752vpxshjaqmj7ftwiu6quiv2ad.onion/wiki/Methylphenidate
. ↑ Markowitz, J. S., DeVane, C. L., Boulton, D. W., Nahas, Z., Risch, S. C., Diamond, F., Patrick, K. S. (June 2000). "Ethylphenidate formation in human subjects after the administration of a single dose of methylphenidate and ethanol".