2-Butenoic acid, 2-methyl-, (1R,7aR)-7-[[(2S,3S)-2,3-dihydroxy-2-(1-methylethyl)-1-oxobutoxy]methyl]-2,3,5,7a-tetrahydro-1H-pyrrolizin-1-yl ester, (2E)-
Symphytine
2-Butenoic acid, 2-methyl-, 7-[[2,3-dihydroxy-2-(1-methylethyl)-1-oxobutoxy]methyl]-2,3,5,7a-tetrahydro-1H-pyrrolizin-1-yl ester, [1R-[1α(E),7(2S*,3S*),7aβ]]-
7-Tiglyl-9-viridiflorylretronecine
7-Tiglylretronecine viridiflorate