(2S,3R,4S)-5-(methoxycarbonyl)-4-[(1S)-2,3,4,9-tetrahydro-1H-beta-carbolin-2-ium-6-ol-1-ylmethyl]-3-vinyl-3,4-dihydro-2H-pyran-2-yl beta-D-glucopyranoside
(2s,3r,4s)-5-(methoxycarbonyl)-4-[(1s)-2,3,4,9-tetrahydro-1h-beta-carbolin-2-ium-6-ol-1-ylmethyl]-3-vinyl-3,4-dihydro-2h-pyran-2-yl beta-d-glucopyranoside