| PEN | D-penicillamine |
|---|---|
| PEN | Penicillin |
| PeN | Periventricular nucleus |
| Pen G | Penicillin G |
| PenCB | 3,3',4,4',5-Pentachlorobiphenyl |
| PenCB | 3,4,5,3',4'-Pentachlorobiphenyl |
| penicillin G | Benzylpenicillin |
| penicillin V | phenoxymethyl-penicillin |
| PENK | Pro-enkephalin |
| DPDPE | 3)H][D-pen(2), D-pen(5)]enkephalin |
|---|---|
| DPLPE | D-Pen(2), L-Pen(5))enkephalin |
| DPDPE | D-Pen ,D-Pen5]-enkephalin |
| D-Pen | D-Penicillamine |