Similar names: L-threo-Pentitol, 1,5-dideoxy-2-C-methyl-3-C-[[[(1R,7aR)-2,3,5,7a-tetrahydro-1-[[(2Z)-2-methyl-1-oxo-2-buten-1-yl]oxy]-1H-pyrrolizin-7-yl]methoxy]carbonyl]-; Echimidine (6CI,7CI,8CI); L-threo-Pentitol, 1,5-dideoxy-2-C-methyl-3-C-[[[(1R,7aR)-2,3,5,7a-tetrahydro-1-[[(2Z)-2-methyl-1-oxo-2-butenyl]oxy]-1H-pyrrolizin-7-yl]methoxy]carbonyl]- (9CI); (+)-Echimidine; 1,5-Dideoxy-2-C-methyl-3-C-[[[(1R,7aR)-2,3,5,7a-tetrahydro-1-[[(2Z)-2-methyl-1-oxo-2-buten-1-yl]oxy]-1H-pyrrolizin-7-yl]methoxy]carbonyl]-L-threo-pentitol