1,1',3,3',5,5'-Hexamethyl-spiro-[furo[2,3-d]pyrimidine-6(5H),5'-pyrimidine]-2,2',4,4',6'(1H,3H,1'H,3'H,5'H)-penta-one.
Acta Crystallogr Sect E Struct Rep Online. 2009 May 29;65(Pt 6):o1444. doi: 10.1107/S1600536809019618.
Acta Crystallogr Sect E Struct Rep Online. 2009.
PMID: 21583282
Free PMC article.