stemmadenine

15-epi-Stemmadenine

(19E)-2,7,19,20-Tetradehydro-17-hydroxy-3,7-secocuran-16-carboxylic acid methyl ester

(15β,19E)-2,7,19,20-Tetradehydro-17-hydroxy-3,7-secocuran-16-carboxylic acid methyl ester