1. See also

Dirr may refer to:

• Michael Dirr, American horticulturist
  • Dirr's Trees and Shrubs for Warm Climates, sometimes abbreviated Dirr or Dirr's; see List of horticulture and gardening books/publications
• Otillie Dirr, a founder of the Sisters of St. Francis of Assisi
• dirr, an abbreviation for dwarf irregular galaxy

See also

• Dir (disambiguation)
• Durr (disambiguation)
• Duerr (disambiguation)

• 4-hydroxy-2-oxoglutarate aldolase
• 4-hydroxy-2-oxovalerate aldolase
• 4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase
• 4-hydroxy-4-methyl-2-oxoglutarate aldolase
• 4-Hydroxy-4-methylpentanoic acid
• 4-hydroxy-4-methylpentanoic acid
• 4-Hydroxy-5-methoxydimethyltryptamine
• 4-hydroxyacetophenone monooxygenase
• 4-Hydroxyamphetamine
• 4-hydroxyanisole
• 4-Hydroxyanisole
• 4-hydroxybenzaldehyde dehydrogenase
• 4-hydroxybenzoate
• 4-hydroxybenzoate 1-hydroxylase
• 4-hydroxybenzoate 3-monooxygenase
• 4-hydroxybenzoate 3-monooxygenase (NAD(P)H)
• 4-hydroxybenzoate decarboxylase
• 4-hydroxybenzoate polyprenyltransferase
• 4-hydroxybenzoate—CoA ligase
• 4-Hydroxybenzoic acid
• 4-hydroxybenzoic acid
• 4-hydroxybenzoyl-CoA reductase
• 4-hydroxybutanoate
• 4-hydroxybutanoic acid
• 4-Hydroxybutanoic acid