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Ammonium cation, NH4 and ammonia, NH3 molecule. Structural chemical formula and molecule model. Vector illustration
Vector illustration showing the chemical skeletal formula of the drug Demecarium bromide.
Choline vitamin-like essential nutrien molecule. It is a constituent of lecithin. Structural chemical formula on the dark blue background. Vector illustration
Benzalkonium chloride is a cationic surface-acting agent, used as an active ingredient in pharmaceutical and personal care products.
Choline vitamin-like essential nutrien molecule. It is a constituent of lecithin. Structural chemical formula and molecule model. Vector illustration
Choline vitamin-like essential nutrien molecule. It is a constituent of lecithin. Structural chemical formula and molecule model. Sheet of paper in a cage. Vector illustratio