N,N'-di-(2,2,6,6-tetramethyl-1-oxyl-piperidin-4-yl)-N-diethylphosphorylurea

二苯并对二噁英

Dibenzo[b,e][1,4]dioxin-2-carboxylic acid

5,5-二甲基海因

对环己基苯甲酸