Please the formula for a stable gabbroral suspension: Gabbroral 4g F Suspension AD 160ml

Indeed, a formulation once appeared in the Antwerp Pharmaceutical Journal (1989) 67 1:41-42.

Gabbroral 16 comp. à 250 mg
Glycerol 8 g
sodium citrate 0.16 g
NaOH 20% opl. AD pH 7.9 (3.13 g)
apricots essence 0.5 g
single syrup 160 ml