3421-08-7

C.I.56000 Helindon Yellow CA Helindon Yellow CAK 2,5-Bis(phenylamino)-p-benzoquinone 2,5-Bis(phenylamino)-1,4-benzoquinone 2,5-Bis(phenylamino)-2,5-cyclohexadiene-1,4-dione 2,5-Cyclohexadiene-1,4-dione, 2,5-bis(phenylamino)-