1 2A4 (2r,4s)-N,N'-bis[3-({4-[3-(aminomethyl)phenyl]piperidin-1-yl}carbonyl)phenyl]-4-hydroxy-2-(2-hydroxypropan-2-yl)-5,5-dimethyl-1,3-dioxolane-2,4-dicarboxamide 1.000 2 X2A (6s,8r)-N,N'-bis[3-({4-[3-(aminomethyl)phenyl]piperidin-1-yl}carbonyl)phenyl]-8-hydroxy-6-(1-hydroxycyclobutyl)-5,7-dioxaspiro[3.4]octane-6,8-dicarboxamide 0.800