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Name:C.I.Sulphur Yellow 20 Molecular Structure: CAS Registry Number:
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Name:C.I.Sulphur Yellow 12,C.I.53150 Molecular Structure: CAS Registry Number:
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Name:C.I.Sulphur Yellow 9,C.I.53010 Molecular Structure: CAS Registry Number:1326-40-5,12262-72-5