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Release study of the allylic amine TCO derivatives 23–26. A) Studied reaction of TCO derivatives 23–26 and 3,6‐dimethyl‐1,2,4,5‐tetrazine (20). B) The signal intensity of the protons measured in the 1H NMR study of the tetrazine methyl‐protons of the intermediate (in blue) and release product (in red) of the axial (•) and equatorial (▪) isomers.
