Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen, oxygen, and sulfur atoms as the only ring hetero atoms, not provided for in groups C 07 D 463/00, C 07 D 477/00 or C 07 D 499/00 to C 07 D 507/00 [2]
515
/
02
•
in which the condensed system contains two hetero rings [2]
515
/
04
•
•
Ortho-condensed systems [2]
515
/
06
•
•
Peri-condensed systems [2]
515
/
08
•
•
Bridged systems [2]
515
/
10
•
•
Spiro-condensed systems [2]
515
/
12
•
in which the condensed system contains three hetero rings [2]
515
/
14
•
•
Ortho-condensed systems [2]
515
/
16
•
•
Peri-condensed systems [2]
515
/
18
•
•
Bridged systems [2]
515
/
20
•
•
Spiro-condensed systems [2]
515
/
22
•
in which the condensed system contains four or more hetero rings [2]
517
/
00
Heterocyclic compounds containing in the condensed system at least one hetero ring having selenium, tellurium, or halogen atoms as ring hetero atoms [2]
517
/
02
•
in which the condensed system contains two hetero rings [2]
517
/
04
•
•
Ortho-condensed systems [2]
517
/
06
•
•
Peri-condensed systems [2]
517
/
08
•
•
Bridged systems [2]
517
/
10
•
•
Spiro-condensed systems [2]
517
/
12
•
in which the condensed system contains three hetero rings [2]
517
/
14
•
•
Ortho-condensed systems [2]
517
/
16
•
•
Peri-condensed systems [2]
517
/
18
•
•
Bridged systems [2]
517
/
20
•
•
Spiro-condensed systems [2]
517
/
22
•
in which the condensed system contains four or more hetero rings [2]
519
/
00
Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C 07 D 453/00
or C 07 D 455/00 [2]
519
/
02
•
Ergot alkaloids of the cyclic peptide type [2]
519
/
04
•
Dimeric indole alkaloids, e.g. vincaleucoblastine [2]
