4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine

异丙基肼

1,1-二溴丙酮

1,3-二溴-2,2-二甲氧基丙烷

1,1-Dibromoacetone Dimethyl Ketal