bis(2,2,6,6,-tetramethyl-4-piperidyl) bis[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]malonate

Bis[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]propanedioic acid bis(2,2,6,6-tetramethyl-4-piperidinyl) ester