5-Methoxy-spiro[benzoimidazole-2,1'-cyclohexane]

4-tert-butyl-1,2,7,8-tetramethoxydibenzofuran

1-benzyl-6-chloro-7-bromo-5-azaindoline

1-benzyl-6-chloro-7-methoxycarbonylamino-5-azaindoline

5-dichloromethyl-2,2-diethyl-5-methoxy-oxazolidin-4-one