Beta-nafutole (2-nafutole, C10H8O) — ikintu gikomeye cy'ibihuma byera gikoreshwa nk'igice gihuza mu guhuza amabara n'amabara y'ifu ya azo, cyane cyane ay'umutuku n'ay'umuhondo utukura. Ni ikinyabutabire cyo hagati cy'ingenzi mu binyabutabire by'amabara kuva mu kinyejana cya 19.