ALE-ALC-e1a61ec1-1
N#CC1(CS(=O)(=O)N2Cc3ccc(Cl)cc3[C@H](C(=O)Nc3cncc4c(C=O)cccc34)C2)CC1
the presence of a nitrogen near where the carboxyl group is when in side protease
ALE-ALC-1b189c66-1
MAT-POS-1a788f51-1