邻苯二甲醛

1,3-茚满二酮

3,3-dimethyl-2-oxa-3-sila-bicyclo[2.2.2]oct-7-ene-5exo,6exo-dicarboxylic acid anhydride

4-chloro-3,6-dihydrophthalic anhydride

(4S,7R)-8-methyl-8-(trimethylsilyl)-3a,4,7,7a-tetrahydro-4,7-(epoxysilano)isobenzofuran-1,3-dione