Synonyms: (4S)-4β-[[(1R)-1,2,3,4-Tetrahydro-β-carboline-1β-yl]methyl]-5β-ethenyl-6α-(β-D-glucopyranosyloxy)-5,6-dihydro-4H-pyran-3-carboxylic acid methyl ester;3α-Vinyl-2β-(β-D-glucopyranosyloxy)-3,4-dihydro-4α-[[(1R)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-1-yl]methyl]-2H-pyran-5-carboxylic acid methyl ester;Vincoside