41340-31-2 Purity
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Specification
Reference: [1]Current Patent Assignee: LIGAND PHARMACEUTICALS INC; MERCK & CO INC - WO2004/33440, 2004, A1
Location in patent: Page 298-299
[2]Current Patent Assignee: LIGAND PHARMACEUTICALS INC; MERCK & CO INC - US2004/147559, 2004, A1
Location in patent: Page 163
[3]Current Patent Assignee: LIGAND PHARMACEUTICALS INC; MERCK & CO INC - US2004/106794, 2004, A1
Location in patent: Page 163
[4]Kushner et al.
[Journal of Organic Chemistry, 1948, vol. 13, p. 144,149]
[5]Current Patent Assignee: THERAVANCE BIOPHARMA, INC. - US2007/117796, 2007, A1
Location in patent: Page/Page column 14
Reference: [1]Ram; Wise; Wotring; McCall; Townsend
[Journal of Medicinal Chemistry, 1992, vol. 35, # 3, p. 539 - 547]
* For details of the synthesis route, please refer to the original source to ensure accuracy.