Synonyms: 4,4'-buta-1,3-diyne-1,4-diylbis(1,2,5-trimethylpiperidin-4-ol) dihydrochloride;AC1Q3B6E;AC1L50P5;AR-1F7796;4-Piperidinol, 4,4'-(1,3-butadiyne-1,4-diyl)bis(1,2,5-trimethyl-, dihydrochloride;4-[4-(4-hydroxy-1,2,5-trimethylpiperidin-4-yl)buta-1,3-diynyl]-1,2,5-trimethylpiperidin-4-ol dihydrochloride