7-amino-3-[(Z)-prop-1-enil]-3-cefem-4-karboksilna kiselina
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-dideoxy-3-C-metyl-3-O-metyl-α-L-ribo-hexopyranosyl)oxy]-2-etyl-3,4,10-trihydroxy-3,5,8,10,12,14-hexametyl-11-[3,4,6-trideoxy-3-(dimetylamino)-β-D-xylo-hexopyranosyl]oxy-1-oxa-6-azacyklopentadekán-15-ón