(1E,3Z)-1,4-diphenyl-3-trimethylsilyloxy-2-aza-1,3-butadiene

trimethylsilyl N-trimethylsilylpyridine-3-carboximidate

1,5-dimethoxy-1,5-bis[(trimethylsilyl)oxy]penta-1,4-diene

(6R)-3-methyl-8-oxo-7t-(trimethylsilanyl-amino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid trimethylsilanyl ester

1-imidazole sulfonic acid