retinoids
Vitamin D is a class of prohormones that is used by animals to make steroidal hormones. Plants do not need these compounds.
A muscle is not a chemical compound.
CFC is an abbreviation for the class of chemical compounds known as Chloro-Fluoro-Carbons.
Alum is both a specific chemical compound and a class of chemical compounds. The specific compound is the hydrated potassium aluminum sulfate with the formula KAl(SO4)2.12H2O. The wider class of compounds known as alums have the related stoichiometry, AB(SO4)2.12H2O
Cellulose, sugars such as glucose and fructose, and vitamins such as ascorbic acid (vitamin C) and carotene, a vitamin A precursor, plus antioxidants such as lycopene, to name just a few.
Amines,Amides,Imides and Imines.
A bisbiguanide is any of a class of bactericidal chemical compounds.
Vitamin D is a class of prohormones that is used by animals to make steroidal hormones. Plants do not need these compounds.
A muscle is not a chemical compound.
Fullerenes are a class of compounds.
Because ammonia has a ph above 7 , it is considered a base compound
A benzoylurea is any of a class of chemical compounds best known as insecticides.
A bisphenol is any of a class of organic compounds, derived from methylenediphenol, formed by the condensation of a phenol with an aldehyde or ketone.
CFC is an abbreviation for the class of chemical compounds known as Chloro-Fluoro-Carbons.
This class of compounds/elements are called inhibitors.
An aminocyclitol is any of a class of chemical compounds related to cyclitols and used in aminoglycoside antibiotics.
A halon is a term given to any of a class of chemical compounds that are derived from hydrocarbons by replacing one or more hydrogen atoms with bromine atoms and other hydrogen atoms with a halogen (chlorine, fluorine, etc) atom.