DIFF Subgroup
C09B 11/24 Phthaleins containing amino groups
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Diaryl- or triarylmethane dyes > derived from triarylmethanes > Amino derivatives of triarylmethanes > Phthaleins containing amino groups
CPC:
Diaryl- or thriarylmethane dyes > derived from triarylmethanes > Amino derivatives of triarylmethanes > Phthaleins containing amino groups
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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