Drug info - PSE from Robitussin? HELP

[SMAKA]

Hi guys AFOAF wanted to know how to extract PSE HCL from robitussin PS
Since its a liquid its diff to the pill extracts right and it contains over 1000mg per 200 ml bottle so its worth it please help.

Product description

1. What it looks like

Robitussin PS oral liquid is clear red
coloured syrup with a cherry odour.

2. Ingredients
Each 10mL of Robitussin PS
contains:
Pseudoephedrine Hydrochloride 60
mg.
Guaiphenesin 200mg
Robitussin PS oral liquid also
contain: Ethanol (3.8% v/v),
Cherry Pistachio, Citric
Acid-Anhydrous, Allura Red AC,

Glycerol, Menthol, Propylene

THANX