4,4-Difluoropiperidine hydrochloride144230-52-432 % similar 4-Methylpiperidin-4-ol3970-68-132 % similar 4,4-Dihydroxypiperidine hydrochloride40064-34-432 % similar 1-Amino-4-oxocyclohexanecarboxylic acid ethylene ketal54621-18-031 % similar 4-(Hydroxymethyl)piperidin-4-ol89584-31-631 % similar Morpholinium chloride10024-89-230 % similar Bis(2-methoxyethyl)amine111-95-530 % similar 4-Hydroxy-4-phenylpiperidine40807-61-230 % similar