The reaction of 1,2,3,4-tetrahydroquinazoline-2-spirocyclohexan-4-one (1b) with acetic anhydride and pyridine gave 1-(1-cyclohexenyl)-2-methyl-1,4-dihyd...
A class of estimators of a distribution function, which includes the empirical distribution function, is discussed. The necessary and sufficient conditi...