| PAL | Phenylalanine ammonia-lyase |
| C4H | Cinnamate 4-hydroxylase |
| 4CL | 4-Coumarate CoA ligase |
| TAT | Tyrosine amino transferase |
| HPPR | Hydroxyl phenylpyruvate reductase |
| RAS | Rosmarinic acid synthase (hydroxycinnamoyl-CoA:hydroxyphenyllactate hydroxycinnamoyl transferase) |
| 3-H | 3-Hydroxylase |
| 3′-H | 3′-Hydroxylase |