Antibiotic L 17054; Teicoplanin A 3-1; 1H,15H,34H-20,23:30,33-Dietheno-3,18:35,48-bis(iminomethano)-4,8:10,14:25,28:43,47-tetrametheno-28H-[1,14,6,22]dioxadiazacyclooctacosino[4,5-m][10,2,16]benzoxadiazacyclotetracosine, ristomycin A aglycone deriv.; L 17054; Ristomycin A aglycone, 34-O-[2-(acetylamino)-2-deoxy-β-D-glucopyranosyl]-22,31-dichloro-7-demethyl-64-O-demethyl-19-deoxy-42-O-α-D-mannopyranosyl-; 34-O-[2-(acetylamino)-2-deoxy-β-D-glucopyranosyl]-22,31-dichloro-7-demethyl-64-O-demethyl-19-deoxy-42-O-α-D-mannopyranosyl-ristomycin A aglycone