Asetoasetanilide (C10H11NO2) — ikintu gikomeye cya kristali gifite ibara ryera kugeza ku muhondo woroheje, gikoreshwa nk'igice gihuza mu gukora amarangi ya azo, cyane cyane Umuhondo wa Hansa (PY1, PY3). Gihura n'imyunyu ya diazoniyumu gikora molekile z'irangi zidashonga zifite ubudahangarwa bwiza ku rumuri.