3,4-Dichloromethylphenidate
3,4-dichloromethylphenidate (abbreviated as 3,4-DCMP, and incorrectly as 3,4-CTMP for the d,l-threo diastereomer) is a potent stimulant drug from the phenidate class closely related to methylphenidate. It acts as a potent serotonin-norepinephrine-dopamine reuptake inhibitor with a long duration of action.
Source: Wikipedia — 3,4-Dichloromethylphenidate (CC BY-SA 4.0)