: Activation parameters | Compound | ΔH‡ (kJ/mol) | ΔS‡ (J/mol·K) | t₁/₂ at 37°C | |------------------|--------------|----------------|--------------| | Vendeholt | 82.1 | -38.2 | 4.2 min | | Methylcarbamate | 105.3 | -22.5 | 2.3 h |