Chemical Name: ((R)-3-methyl-1-((R)-3-phenyl-2-((R)-3-phenyl-2-(pyrazine-2-carboxamido)propanamido)propanamido)butyl)boronic acid
Synonym: (1R,2R,3S)-Aprepitant ; Aprepitantum
Smile: O=C(N[C@H](CC1=CC=CC=C1)C(N[C@@H](CC(C)C)B(O)O)=O)[C@H](NC(C2=NC=CN=C2)=O)CC3=CC=CC=C3