2',3'-O-(1-hydroxy-2,2,6,6-tetramethyl-4-piperidylidene)uridine

Acetic acid 4-[4-(1-acetoxy-2,2,6,6-tetramethyl-1,2,3,6-tetrahydro-pyridin-4-ylethynyl)-phenylethynyl]-2,2,6,6-tetramethyl-3,6-dihydro-2H-pyridin-1-yl ester

2-(2,2,6,6-tetramethyl-N-oxyl-4-piperidyl)ethanol

1-acetoxy-4-methoxy-2,2,6,6-tetramethyl-1,2,5,6-tetrahydropyridine