00518nam a22001937a 4500 117660 117659 OSt 20260706113105.0 220628b ||||| |||| 00| 0 eng d 9780198728719 547 CLA Clayden,Jonathan 1508 Organic chemistry by Jonathan Clayden and Nick Greeves etal... 2 India Oxford 2021 1234 Elimination reaction Stereochemistry Warren,Stuart 726 ddc REF