Synonyms: 1-Propanaminium,3-carboxy-N,N,N-trimethyl-2-(1-oxopropoxy)-, inner salt, (R)-; Ammonium,(3-carboxy-2-hydroxypropyl)trimethyl-, hydroxide, inner salt, propionate, (-)-(8CI); (-)-Propionylcarnitine; L-Carnitine propionyl ester;L-Propionylcarnitine; Levocarnitine propil; O-Propionyl-L-carnitine;Propanoyl-L-carnitine; Propionyl-L-carnitine; Propionylcarnitine