http://pubs.acs.org/doi/abs/10.1021/ja1057407
http://pubs.acs.org/doi/abs/10.1021/ja105337h
http://pubs.acs.org/doi/abs/10.1021/ja1060966
http://pubs.acs.org/doi/abs/10.1021/ja106943q
http://pubs.acs.org/doi/abs/10.1021/ja105762n
http://pubs.acs.org/doi/abs/10.1021/ja105442m
http://pubs.acs.org/doi/abs/10.1021/ja105442m
hi-res pdf
多谢!!