(2S,3S,4R,8E)-1-(beta-D-glucopyranosyl-3, 4-dihydroxy-2-(R)-2'- hydroxypalmitoyl)amino-8-heptadecaene
(2s,3s,4r,8e)-1-(beta-d-glucopyranosyl-3, 4-dihydroxy-2-(r)-2'- hydroxypalmitoyl)amino-8-heptadecaene