C07D411/02 - CPC Classification

Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen and sulfur atoms as the only ring hetero atoms containing two hetero rings

• C07D411/04 » directly linked by a ring-member-to-ring-member bond 103
• C07D411/06 » linked by a carbon chain containing only aliphatic carbon atoms 24
• C07D411/08 » linked by a carbon chain containing alicyclic rings 4
• C07D411/10 » linked by a carbon chain containing aromatic rings 22
• C07D411/12 » linked by a chain containing hetero atoms as chain links 132