| Compound | Structure |
| 2-Phenylmorpholine (PAL-632) |  |
| Phenmetrazine |  |
| Pseudophenmetrazine |  |
| 2-Phenyl-3,5-dimethylmorpholine (3,5-DMPM) |  |
| 2-Phenyl-3,6-dimethylmorpholine (3,6-DMPM) |  |
| 2-Phenyl-5,5-dimethylmorpholine (G-130) |  |
| 3-Methylphenmetrazine (3-MPM) |  |
| 4-Methylphenmetrazine (4-MPM) |  |
| Fenmetramide |  |
| Phendimetrazine |  |
| Phenetrazine |  |
| 2-Fluorophenmetrazine (2-FPM, 2F-Phenmetrazine) |  |
| 3-Fluorophenmetrazine (3-FPM, 3F-Phenmetrazine) |  |
| 4-Fluorophenmetrazine (4-FPM, 4F-Phenmetrazine, PAL-748) |  |
| Phenmetetrazine |  |
| 3-Chlorophenmetrazine (3-CPM) |  |
| Naphthylmorpholine (PAL-678) |  |
| 3,4-Methylenedioxyphenmetrazine (MDPM, 3-MDPM) |  |
| Naphthylmetrazine (PAL-704) |  |
| Flumexadol (CERM-1841, 1841-CERM) |  |
| Radafaxine |  |
| Oxaflozane (CERM-1766, 1766-CERM) |  |
| 2-(4-Bromo-2,5-dimethoxyphenyl)morpholine (2C-B-morpholine) | morpholine.svg) |
| 3-Iodophenmetrazine (3-IPM, 3I-Phenmetrazine) |  |
| Fenbutrazate |  |
| Morazone |  |