Fig. shows activation energies and activation entropies of the reactions found by CTY-TAD and PESmapping. In our previous work , we have estimated that relevant reactions for a similar system (a dioxolane hydroperoxyl radical) have activation energies of less than 50 kcal mol -1 . In this range, there is almost no difference in the detected reactions, as 7 out of 8 reactions are found by both CTY-TAD and PESmapping. The exception is Reaction R12, the dissociation to C 2 H 4 + CO 2 + Ḣ, which is not found in the PESmapping simulations. In fact, PESmapping identifies a reaction leading to three products (R10) in our study only once. The reason is that three products are unlikely to form at the same time. CTY-TAD has another technique which makes this unlikely event actually possible.