for the following products
Mal-AMCHC-OSu | trans-4-(Maleimidomethyl)cyclohexanecarboxylic acid-nhs | trans-N-Succinimidyl 4-(maleimidomethyl)cyclohexane-1-carboxylate and trans-2,5-Dioxopyrrolidin-1-yl 4-((2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)methyl)cyclohexane-1-carboxylate