1-(4-methylphenyl)sulfonylpyrrolidine-2,5-dione

戊二酸双二甲基酰胺

N,N,N',N'-tetramethylhexanediamide

N,N,N',N'-四甲基丁二酰胺

9-(9-hydroxyfluoren-9-yl)fluoren-9-ol