2‐((R)‐2‐benzyl‐3‐((3S,4S)‐4‐(3‐hydroxyphenyl)‐3,4‐dimethylpiperidin‐1‐yl)propanamido)acetic acid
2‐((S)‐2‐benzyl‐3‐((3S,4S)‐4‐(3‐hydroxyphenyl)‐3,4‐dimethylpiperidin‐1‐yl)propanamido)acetic acid
Entereg
2‐((R)‐2‐benzyl‐3‐((3R,4R)‐4‐(3‐hydroxyphenyl)‐3,4‐dimethylpiperidin‐1‐yl)propanamido)acetic acid