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Table 1 Relevant IPC codes

From: Mining chemical information from open patents

IPC Code

Description

C07B

General methods of organic chemistry; apparatus therefor

C07C

Acyclic or carbocyclic compounds

C07D

Heterocyclic compounds

C07F

Acyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium