Acetals/Ketals/Ortho Esters | Acid Halides | Alcohols | Aldehydes | Alkanes | Alkenes | Alkynes | Amides/ Amidate | Amine Salts | Amines | Amino Alcohols | Arenes | Arsenic/Compounds | Azides/Azo/Diazo | Carboxylic Acids | Carboxylic Acid Salts | Carboxylic Acid Anhydrides | Cyanides/Nitriles | Epoxides | Esters | Ethers | Fluorinated Building Blocks | Guanidines | Halogenated Hydrocarbons | Hydrazides | Hydrazines | Hydrazones | Imines/Amidines /Imides | Isocyanates | Ketones | Nitro/ Nitroso Compounds | Oximes | Phenol | Phosphorus Compounds/Phosphine Ligands | Selenium/Compounds | Sulfides/Disulfides | Sulfonyl Halides | Sulfonamides/Sulfinamides | Sulfones/ Sulfoxides | Sulfonic/Sulfinic Acid Salts | Tellurium/Compounds | Thiocarbonyl Compounds | Thiocyanates/Isothiocyanates | Thiols/Mercaptans | Thioureas | Ureas