(2R)-1-Oxo-2α-[(2Z)-5-[6-[N-[3-(potassiooxycarbonyl)-4-(3-oxo-6-hydroxy-3H-xanthene-9-yl)anilino(thiocarbonyl)]-Gly-Gly-Gly-amino]-6-deoxy-β-D-galactopyranosyloxy]-2-pentenyl]cyclopentane-3β-acetic acid potassium salt
(2R)-2β-[(Z)-5-[6-[1,4,7-Trioxo-10-thioxo-10-[3-(potassiooxycarbonyl)-4-(3-oxo-6-hydroxy-3H-xanthene-9-yl)anilino]-3,6,9-triazadecane-1-ylamino]-6-deoxy-β-D-galactopyranosyloxy]-2-pentenyl]-3-oxocyclopentane-1α-acetic acid potassium salt
(2R)-1-Oxo-2α-[(2Z)-5-[6-[N-[3-(potassiooxycarbonyl)-4-(3-oxo-6-hydroxy-3H-xanthene-9-yl)anilino(thiocarbonyl)]-Gly-Gly-Gly-amino]-6-deoxy-β-D-galactopyranosyloxy]-2-pentenyl]cyclopentane-3β-acetic acid potassium salt