Dimitar Paskov (Bulgarian: Димитър Пасков) is a Bulgarian chemist who led the Sopharma team that extracted Nivalin  (Galantamine) in 1959. The original phytopreparation is an extract of the alkaloid from bulbs of a common snowdrop.
Galantamine hydrobromide (Nivalin) has formula C17H21NO3.HBr and molecular weight 386.3.
- CHRUSCIEL, M. and VARAGIĆ, V. (1966), THE EFFECT OF GALANTAMINE ON THE BLOOD PRESSURE OF THE RAT. British Journal of Pharmacology and Chemotherapy, 26: 295–301. doi: 10.1111/j.1476-5381.1966.tb01908.x