Naphthoquinone

Naphthoquinones constitute a class of organic compounds structurally related to naphthalene. Two isomers are common for the parent naphthoquinones:
 * 1,2-Naphthoquinone
 * 1,4-Naphthoquinone

Natural products

 * Alkannin
 * Hexahydroxy-1,4-naphthalenedione
 * Juglone
 * Lapachol
 * Lawsone
 * Menatetrenone
 * 2-Methoxy-1,4-naphthoquinone, a compound found in Impatiens species
 * Nigrosporin B
 * Phylloquinone
 * Plumbagin
 * Spinochrome B
 * Spinochrome D
 * Vitamin K and related compounds
 * Phylloquinone
 * Vitamin K2
 * Menadione (2-Methyl-1,4-naphthoquinone)

Synthetic naphthoquinones

 * 5,8-Dihydroxy-1,4-naphthoquinone and dihydroxynaphthoquinones
 * Atovaquone
 * Buparvaquone, an antiprotozoal drug used in veterinary medicine
 * Diazonaphthoquinone, a diazo derivative of naphthoquinone
 * 1,2-Naphthoquinone, from the biodegradation of naphthalene.