CPC Class Codes
C07C 231/02
from carboxylic acids or fr...
C07C 253/14
by reaction of cyanides wit...
C07C 253/20
by dehydration of carboxyli...
C07C 253/30
by reactions not involving ...
C07C 255/51
containing at least two cya...
C07C 2601/16
the ring being unsaturated
C07C 2602/10
the other ring being six-me...
C07C 2603/18
Fluorenes; Hydrogenated flu...
C07C 2603/24
Anthracenes; Hydrogenated a...
C07C 2603/26
Phenanthrenes; Hydrogenated...
C07C 2603/42
containing only six-membere...
C07C 2603/97
containing five-membered rings
C07C 51/16
by oxidation C07C51/145 tak...
C07C 51/60
by conversion of carboxylic...
C07D 209/80
[b, c]- or [b, d]-condensed
C07D 209/86
with only hydrogen atoms, h...
C07D 209/88
with hetero atoms or with c...
C07D 235/18
with aryl radicals directly...
C07D 239/26
with only hydrogen atoms, h...
C07D 251/24
to three ring carbon atoms
C07D 307/91 :
Dibenzofurans; Hydrogenated...
C07D 333/76 :
Dibenzothiophenes
C07D 403/10 :
linked by a carbon chain co...
C07D 487/04 :
Ortho-condensed systems
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