Derwent Chemistry Resource (DCR) - STN International

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<strong>DCR</strong> provides several molecular formula (MF) search and display fields • Molecular Formula (MF) – E.g.: C6 H11 Br O2 . Na • Element Symbol (/ELS) – E.g.: => S BR/ELS • Element Symbol Count (/ELS.CNT) – E.g.: => S O 2-3/ELS.CNT 26
Example: combining name segment (/CNS) and molecular formula (/MF) searching Search Question: Search for patent references to benzothiazole substituted with chlorine and methyl Cl CH 3 27
Page 1 and 2: Searching in DWPI Chemistry Resourc
Page 3 and 4: What is DWPI Chemistry Resource?
Page 5 and 6: DWPI provides bibliographic patent
Page 7 and 8: DCR numbers form the connection bet
Page 9 and 10: Searching DCR numbers • Use the f
Page 11 and 12: Which compound types are in DCR?
Page 13 and 14: The DWPI ALLSTR display format •
Page 15 and 16: Example: ALLSTR format (cont.) AN.S
Page 17 and 18: Important search options for DCR se
Page 19 and 20: DCR provides several chemical name
Page 21 and 22: Chemical Name Searching (/CN) Searc
Page 23 and 24: DCR is a useful source for synonyms
Page 25: DCR is a useful source for synonyms
Page 29 and 30: DWPI standard structure search opti
Page 31 and 32: DWPI structure search example Searc
Page 33 and 34: Upload the structure query to DWPI
Page 35 and 36: => D SCAN Review some answers using
Page 37 and 38: Retrieve and display DWPI patent re
Page 39 and 40: DCR searches can be refined using a
Page 41 and 42: HELP ROLES provides all roles which
Page 43 and 44: Example of DCR role searching: Use
Page 45 and 46: Agenda • What is the Derwent Worl
Page 47 and 48: Multifile structure search example:
Page 49 and 50: => S L1 FAM SAM . . . . Multifile s
Page 51 and 52: => FILE MARPAT => S L3 CSS SAM . .
Page 53 and 54: => FILE WPINDEX => S L1 FAM SAM . .
Page 55 and 56: Multifile search: duplicate removal
Page 57 and 58: Multifile search: DWPI display (con
Page 59 and 60: Why are both the CAS files and Derw
Page 61 and 62: Summary • DWPI Chemistry Resource

Derwent Chemistry Resource (DCR) - STN International

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