1,4-Phenylenediaminebis(4,5,6,7-tetrachloroisoindolin-1-one-3-ylidene) 12679-90-2 1H-Isoindol-1-one, 3,3'-(1,4-phenylenediimino)bis(4,5,6,7-tetrachloro- 3,3'-(1,4-Phenylenediimino)bis(4,5,6,7-tetrachloro-1H-isoindol-1-one) 5590-18-1 74913-55-6 80619-34-7 93907-21-2 C.I. Pigment Yellow 110 EINECS 226-999-5