Russian workers have recently given the empirical formula of this alkaloid as
ClsH2SN04 and the structure as that shown above.
(+)-Amabiline is an unsaturated pyrrolizidine alkaloid from Cynoglossum amabile with anticholinergic activity against human mAChR receptors.
ChEBI: A carboxylic ester obtained by formal condensation of the carboxy group of (2S,3S)-2,3-dihydroxy-2-isopropylbutanoic acid with the hydroxy group of (7aS)-2,3,5,7a-tetrahydropyrrolizin-7-ylmethanol.
Man'ko, Rast. Resur., 8, 243 (1972)