哌啶-1-羧酸甲酯

环己烷-1,1,3,3,5-五羧酸五甲酯

2,6-Dihydroxybicyclo(3.3.1)nona-2,6-dien-1,3,5,7-tetracarbonsaeure-tetramethylester (Dinatrium-Salz)

1-O-benzyl 6-O-ethyl 2-acetamido-2-(hydroxymethyl)-3-oxohexanedioate

4,4-亚甲基双(n-甲基苯胺)