1-Propanaminium, 3-carboxy-N,N,N-trimethyl-2-(1-oxobutoxy)-, inner salt, (R)- (9CI) 25576-40-3 Ammonium, (3-carboxy-2-hydroxypropyl)trimethyl-, hydroxide, inner salt, butyrate, L- BRN 4138519 Butyryl-L-carnitine Butyrylcarnitine L-Carnitine butyryl ester n-Butyryl-L-(-)-carnitin [German]