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Bioorganic & Medicinal Chemistry
Volume 15, Issue 23, 1 December 2007, Pages 7391-7398
Synthesis and screening for acetylcholinesterase inhibitor activity of some novel 2-butyl-1,3-diaza-spiro[4,4]non-1-en-4-ones: Derivatives of irbesartan key intermediate
C.V. Kavitha, S.L. Gaonkar, J.N. Narendra Sharath Chandra, C.T. Sadashiva and K.S. Rangappa
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http://dx.doi.org/10.1016/j.bmc.2007.07.014 
