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(A) Conversion of POPC 4 to photo‐caged POPC 5 using coumarinyl reagents 1. (B) Coumarinyl reagents utilized for functionalizing phosphate and carboxylate moieties. (C) HPLC traces of reactions of the coumarinyl reagents 1 (red) 2 (green) and 3 (blue) with native POPC 4. Traces were normalized to the POPC signal.
