Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1993-03-03
1994-06-07
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D49304
Patent
active
053191099
ABSTRACT:
A polycyclic dye of the Formula (1): ##STR1## wherein: Ring A is unsubstituted or is substituted by from 1 to 3 groups;
Ivy C. Warren
Owens A. A.
Zeneca Limited
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