(2S,3S)-2,3-Dihydroxy-2-(1-methylethyl)butanoic Acid Hydrochloride [(1R,7aR)-2,3,5,7a-Tetrahydro-1-hydroxy-1H-pyrrolizin-7-yl]methyl Ester Hydrochloride; [1R-[1α,7(2S*,3S*),7aβ]]-2,3-dihydroxy-2-(1- methylethyl)butanoic Acid (2,3,5,7a-Tetrahydro-1-hydroxy-1H-pyrrolizin-7-yl)methyl Ester Hydrochloride; Lycopsamine Hydrochloride; Retronecine 9-((−)-viridiflorate) Hydrochloride