6-Bromo-7-hydroxy-3-methylcoumarin (mBhc) is an efficient multi-photon labile protecting group for thiol caging and three-dimensional chemical patterning

Mahmoodi, M. M.; Fisher, S. A.; Tam, R. Y.; Goff, P. C.; Anderson, R. B.; Wissinger, J. E.; Blank, D. A.; Shoichet, M. S.; Distefano, M. D.  Org. Biomol. Chem. 2016, 14, 8289 - 8300.