SEARCH Articles Figures Tables Alkenes functional group and compound class Amides functional group and compound class Amines functional group and compound class Biosynthetic studies metabolite classes/groups Carbonyl compounds functional group and compound class Classes of directing group Congeneric groups structural classes Crystallographic nomenclature (Bravais lattices, crystal classes, space groups) Ethers functional group and compound class Group theory classes Group, Abelian classes Grouped into classes Groups class structure Phenols with Two or Several Benzoyl Groups (Class of METHANONES) Point groups class Protein grouping into color classes Solvents specific class/group Thirty-two crystal classes (crystallographic point groups)