5′ ([1,1′ Biphen­yl] 4 yl) 1′,1′′,3′′ tri­methyl­di­spiro[indane 2,2′ pyrrolidine 4′,5′′ [1,3]diazin­ane] 1,3,2′′,4′′,6′′ penta­one

570 015, India, b Department of Studies and Research in Physics, U.C.S., Tumkur University, Tumkur, Karnataka 572 103, India, and c Department of Chemistry, Tumkur University,

a Department of Studies and Research in Chemistry, U.C.S., Tumkur University, Tumkur, Karnataka 572 103, India, b Institution of Excellence, Vijnana Bhavan, University of

a Department of Studies and Research in Chemistry, Tumkur University, Tumkur, Karnataka 572 103, India, b Department of Studies and Research in Physics, U.C.S., Tumkur

Department of Studies and Research in Chemistry, U.C.S, Tumkur University, Tumkur, Karnataka 572 103, India, and d Department of Studies and Research in Physics, U.C.S.,

a Department of Studies and Research in Chemistry, U.C.S., Tumkur University, Tumkur, Karnataka 572 103, India, b Department of Chemistry, Kuvempu University, Shankaraghatta

a Chemistry Division, School of Advanced Sciences, VIT University, Vellore 632014, Tamil Nadu, India, b Solid State and Structural Chemistry Unit, Indian Institute of Science,

Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560 012, India, and d Department of Studies in Chemistry, University of Mysore, Manasagangotri,

a Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560 012, India, b Department of Studies in Chemistry, University of Mysore, Manasagangotri,