4C8R:
reference: Modulating carnitine levels by targeting its biosynthesis pathway - selective inhibition of gamma-butyrobetaine hydroxylase., Rydzik AM, Chowdhury R, Kochan GT, Williams ST, McDonough MA, Kawamura A, Schofield CJ, Chem Sci. 2014 May 1;5(5):1765-1771. doi: 10.1039/C4SC00020J. PMID: 26682037

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).