ALE-ALC-3d276b90-1
N#Cc1cccc2c(NC(=O)[C@@H]3CN(S(=O)(=O)CC4(C#N)CC4)Cc4ccc(Cl)cc43)cncc12
the presence of a nitrogen near where the carboxyl group is when in side protease
ALE-ALC-6d799671-1