C07C 2602/08 :
the other ring being five-m...
C07C 2602/10 :
the other ring being six-me...
C07C 2603/18 :
Fluorenes; Hydrogenated flu...
C07C 311/05 :
to acyclic carbon atoms of ...
C07C 311/07 :
having the nitrogen atom of...
C07C 311/08 :
having the nitrogen atom of...
C07C 311/20 :
having the nitrogen atom of...
C07C 311/21 :
having the nitrogen atom of...
C07C 311/37 :
having the sulfur atom of a...
C07C 311/39 :
having the nitrogen atom of...
C07C 311/43 :
having the nitrogen atom of...
C07C 317/36 :
with the nitrogen atoms of ...
C07D 207/27 :
with substituted hydrocarbo...
C07D 207/325 :
with substituted hydrocarbo...
C07D 211/14 :
with hydrocarbon or substit...
C07D 213/38 :
having only hydrogen or hyd...
C07D 213/74 :
Amino or imino radicals sub...
C07D 213/82 :
in position 3
C07D 215/38 :
Nitrogen atoms nitro radica...
C07D 217/04 :
with hydrocarbon or substit...
C07D 217/14 :
other than aralkyl radicals
C07D 217/22 :
with hetero atoms or with c...
C07D 219/10 :
attached in position 9
C07D 231/38 :
Nitrogen atoms nitro radica...
C07D 233/58 :
with only hydrogen atoms or...
C07D 233/61 :
with hydrocarbon radicals, ...
C07D 235/30 :
Nitrogen atoms not forming ...
C07D 237/20 :
Nitrogen atoms nitro radica...
C07D 237/22 :
Nitrogen and oxygen atoms
C07D 237/34 :
with nitrogen atoms directl...
C07D 239/42 :
One nitrogen atom nitro rad...
C07D 241/20 :
Nitrogen atoms nitro radica...
C07D 261/14 :
Nitrogen atoms
C07D 261/20 :
condensed with carbocyclic ...
C07D 263/58 :
with hetero atoms or with c...
C07D 265/30 :
not condensed with other rings
C07D 265/36 :
condensed with one six-memb...
C07D 267/14 :
condensed with one six-memb...
C07D 275/02 :
not condensed with other rings
C07D 277/28 :
Radicals substituted by nit...
C07D 277/62 :
Benzothiazoles
C07D 277/82 :
Nitrogen atoms
C07D 295/12 :
substituted by singly or do...
C07D 295/135 :
with the ring nitrogen atom...
C07D 295/18 :
by radicals derived from ca...
C07D 333/36 :
Nitrogen atoms
C07D 333/40 :
Thiophene-2-carboxylic acid
C07D 333/66 :
Nitrogen atoms not forming ...
C07D 333/72 :
Benzo[c]thiophenes; Hydroge...
C07D 403/04 :
directly linked by a ring-m...
C07D 409/04 :
directly linked by a ring-m...
C07D 413/04 :
directly linked by a ring-m...
C07D 417/12 :
linked by a chain containin...
C07D 498/04 :
Ortho-condensed systems
C07D 513/04 :
Ortho-condensed systems