6-hidroksi-1-(3-izopropoksipropil)-4-metil-2-okso-5-[4-(fenilazo)fenilazo]-1,2-dihidro-3-piridinkarbonitril
3-((5-cyano-1,6-dihydro-1,4-dimetyl-2-hydroxi-6-oxo-3-pyridinyl)azo)-bensoyloxi-2-etyloxi-2-(etylfenol)