CPI Chemical Indexing
From DWPI Update 201501 the Section P Fragmentation Codes, covering pharmaceutical and agrochemical activity, have been revised and enhanced.
A complete list of Section P Codes, a list of New & Enhanced Codes for 2015 and a section P Fragmentation Code chart can all be downloaded from here:
CPI Manual Codes 2018
All Manual Codes for sections A to N are listed in order with definitions for each code and an indication of the time period for which they are valid.
Derwent Chemistry Resource on STN
The Derwent Chemistry Resource (DCR) is a chemical structure database of specific compounds indexed in Derwent World Patents Index. Searchable by structure and text, this user guide gives comprehensive details of the search and display fields, along with worked examples.