3-(2-hydroxyethyl)-6-methanesulfonyloxy-2-(1-methoxycarbonylvinyl)indole-1-carboxylic acid tert-butyl ester

(-)-11-Mesyloxytabersonine

methyl 2-(3-(2-((((2S)-4-ethyl-5-hydroxytetrahydrofuran-2-yl)methyl)amino)ethyl)-6-((methylsulfonyl)oxy)-1H-indol-2-yl)acrylate

(5R,7S,12R,19S)-2,3-didehydro-7-hydroxy-16-[(methanesulfonyl)oxy]aspidospermidine-3-carboxylic acid methyl ester

methyl 2-(3-(2-((N-(((2S)-4-ethyl-5-hydroxytetrahydrofuran-2-yl)methyl)-2,4-dinitrophenyl)sulfonamido)ethyl)-6-((methylsulfonyl)oxy)-1H-indol-2-yl)acrylate