CPC Subgroup
C09B 1/50 Amino-hydroxy-anthraquinones; Ethers and esters thereof
Full Title
Dyes with anthracene nucleus not condensed with any other ring > Amino-hydroxy-anthraquinones; Ethers and esters thereof
5 direct subcodes
Child Classifications
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- C09B 1/503 unsubstituted amino-hydroxy anthraquinone
- C09B 1/51 N-substituted amino-hydroxy anthraquinone
- C09B 1/52 sulfonated
- C09B 1/54 etherified