(S)-2-((2-amino-6-oxo-3H-purin-9(6H)-yl)methoxy)ethyl 2-amino-4-methylpentanoate hydrochloride;L-Leucine 2-[(2-Amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl Ester Hydrochloride
(S)-2-((2-amino-6-oxo-3H-purin-9(6H)-yl)methoxy)ethyl 2-amino-4-methylpentanoate hydrochloride;L-Leucine 2-[(2-Amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl Ester Hydrochloride