| Sr. No. |
Sample Details |
Retention Time(min) |
| 1 |
Blank |
No peak detected |
| 2 |
Placebo Solution |
No peak detected |
| 3 |
Levodopa Related compound A |
2.4 |
| 4 |
L-Tyrosine |
3.1 |
| 5 |
Methyldopa |
3.3 |
| 6 |
3-methoxy tyrosine |
4.1 |
| 7 |
Methyldopa Methyl ester |
7.6 |
| 8 |
Carbidopa Related compound A |
7.9 |
| 9 |
1-veratryglycine |
8.9 |
| 10 |
3-Acetyl-L-Tyrosine |
9.0 |
| 11 |
3,4-Dihydoxyphenylacetone |
9.2 |
| 12 |
Entacapone Impurity C |
9.7 |
| 13 |
Entacapone Impurity F |
9.7 |
| 14 |
CyclohexylidineCarbidopa -Methyl Ester |
10.0 |
| 15 |
Entacapone De-nitro |
10.4 |
| 16 |
Entacapone Impurity A |
11.3 |
| 17 |
EntacaponeMethoxy Impurity |
13.2 |
| 18 |
Levodopa |
2.7 |
| 19 |
Carbidopa |
3.9 |
| 20 |
Entacapone |
11.8 |
