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NOVEL DERIVATIVES OF C.I. PIGMENT RED 170
NOVEL DERIVATIVES OF C.I. PIGMENT RED 170
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机译:C.I.的新衍生物颜料红170
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摘要
The invention relates to compounds of formula (1), in which X represents F, Cl, Br, methyl or nitro, or to the tautomers thereof. Said compounds are characterised by a strong yellow tone, transparency and fastness to weathering in relation to the unsubstituted pigment red 170.
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