(+)-Heliotrine 303-33-3 7S-Heliotrine AI3-51769 BRN 0292841 Butanoic acid, 2-hydroxy-2-(1-methoxyethyl)-3-methyl-, (2,3,5,7a-tetrahydro-1-hydroxy-1H-pyrrolizin-7-yl)methyl ester, (1S-(1 alpha,7(2R*,3S*),7a alpha))- HELIOTRINE Heliotron