| http://www.w3.org/ns/prov#value | - Bhc, 6-bromo-7-hydroxycoumarin-4-ylmethyl, group is a newly developed photoremovable protecting group, which has practically high one and two-photon uncaging efficiencies and has been used to make caged compounds of neurotransmitters, second messengers, mRNAs and so forth.
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