(3R)-3-(3-methylbutanoyloxy)-4-trimethylazaniumylbutanoate (3R)-3-(3-methylbutanoyloxy)-4-trimethylammonio-butanoate (3R)-3-(3-methyl-1-oxobutoxy)-4-trimethylammoniobutanoate (3R)-3-isovaleryloxy-4-trimethylammonio-butyrate (3R)-3-(3-methylbutanoyloxy)-4-trimethylazaniumyl-butanoate 31023-24-2 1-Propanaminium, 3-carboxy-N,N,N-trimethyl-2-(3-methyl-1-oxobutoxy)-, inner salt, (R)- 3-Methylbutyrylcarnitine Isovalerylcarnitine