1 VGB (5r,6r,7r,8s)-6,7-dihydroxy-5-(hydroxymethyl)-2-(2-phenylethyl)-8-(propanoylamino)-5,6,7,8-tetrahydro-1h-imidazo[1,2-a]pyridin-4-ium 1.000 2 GSZ N-[(5r,6r,7r,8s)-6,7-dihydroxy-5-(hydroxymethyl)-2-(2-phenylethyl)-1,5,6,7,8,8a-hexahydroimidazo[1,2-a]pyridin-8-yl]-2-methylpropanamide 0.963 3 Z0M N-[(5r,6r,7r,8s)-6,7-dihydroxy-5-(hydroxymethyl)-2-(2-phenylethyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-8-yl]-3-sulfanylpropanamide 0.963 4 PGI (5r,6r,7s,8s)-5-(hydroxymethyl)-2-(2-phenylethyl)-1,5,6,7,8,8a-hexahydroimidazo[1,2-a]pyridine-6,7,8-triol 0.778