(3R)-1-[(2R)-2-[(2-Amino-2-methyl-1-oxopropyl)amino]-3-(1H-indol-3-yl)-1-oxopropyl]-3-(phenylmethyl)-1,2,2-trimethylhydrazide 3-Piperidinecarboxylic Acid-d6; (3R)-1-(2-Methylalanyl-D-tryptophyl)-3-(phenylmethyl)-trimethylhydrazide 3-Piperidinecarboxylic Acid-d6,Anamorelin Stable Isotopes