上游原料
(Hydroxyamino)methane; N-Methylhydroxylamine4-bromo-2-methyl-1,2-oxazinan-3-one3,5-Bis(1,1-dimethylethyl)-4-hydroxybenzaldehyde; 3,5-di(tert-butyl)-4-hydroxybenzaldehyde; 3,5-Di-tert-butyl-4-hydroxybenzaldehyde4-[[3,5-di(tert-butyl)-4-hydroxyphenyl](hydroxy)methyl]-2-methyl-1,2-oxazinan-3-one2,4-dibromobutanoyl chloride
