4-piperidin-4-ylmorpholine;dihydrochloride; 4-Morpholinopiperidine dihydrochloride;4-(Morpholin-4-yl)-piperidine DiHCl;4-(4-Piperidyl)morpholine Dihydrochloride;Morpholine, 4-(4-piperidinyl)-, dihydrochloride