2-Azabicyclo[16.3.1]docosa-1(21),4,6,10,18-pentaene- 3,20,22-trione, 9-[[(amino)carbonyl]oxy]-13-[(glycyl)oxy]- 8,14,19-trimethoxy-4,10,12,16-tetramethyl-, stereoisomer,hydrochloride Glycine, 9-[[(amino)carbonyl]oxy]-8,14,19-trimethoxy- 4,10,12,16-tetramethyl-3,20,22-trioxo- 2-azabicyclo[16.3.1]docosa-1(21),4,6,10,18-pentaene-13-yl ester, stereoisomer, hydrochloride NSC661580