From: Identification of environmentally relevant chemicals in bibliographic databases: a comparative analysis
Substance
Scopus/ti,ab,kw
Scopus/cn
Scopus/rn
Aldrin
45
39
38
Chlordane
71
51
Dieldrin
62
53
Endrin
34
28
Heptachlor
57
44
29
Hexachlorbenzene
129
136
or HCB