3-（（（4，4，5，5-四метил-1，3，2-二кислорода杂борабораалкан-2-基）亚метил）пирролалкан-1-羧кислота叔бутилэфир
tert-butyl 3-((4，4，5，5-tetramethyl-1，3，2-dioxaborolan-2-yl)methylene)pyrrolidine-1-carboxylate
tert-butyl 3-((4，4，5，5-tetramethyl-1，3，2-dioxaborolan-2-yl)methylene)pyrrolidine-1-carboxylate 90%