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Representative photolysis of alkyl-Cbl derivatives. (A) Photolysis of cyclopropyl-Cbl (8) was performed using a 5 mW LED (360 nm) and assessed by the change in absorbance at 352 nm, which was measured at 5 s intervals. (B) The rate of photolysis was quantified in triplicate. The change in absorbance at 352 nm for each photolysis experiment was fit to the biexponential function given in equation 1.
