Lapatinib
Products Lapatinib is commercially available in the form of film-coated tablets (Tyverb). It has been approved in many countries since 2007. Structure and properties Lapatinib (C29H26ClFN4O4S, Mr = 581.1 g/mol) is present in drugs as lapatinibditosylate monohydrate. It is a 4-aniline quinazoline that exists as a yellow powder that is sparingly soluble in water. Effects … Lapatinib