Ephenidine
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| Formula | C16H19N | 
| Molar mass | 225.335 g·mol−1 | 
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Ephenidine (also known as NEDPA and EPE) is a dissociative anesthetic that has been sold online as a designer drug. It is illegal in some countries as a structural isomer of the banned opioid drug lefetamine, but has been sold in countries where it is not yet banned.