Synonyms: 2H,6H,10H,25H-Dipyrido[2,1-l:2',1'-b1][1,17,4,7,10,13,20,23,26,29]dioxaoctaazacyclodotriacontine,cyclic peptide deriv.; (-)-Sandramycin; L-Valine,N-[(3-hydroxy-2-quinolinyl)carbonyl]-D-seryl-(2S)-2-piperidinecarbonylglycyl-N-methylglycyl-N-methyl-,bimol. (5®1'3),(5'®13)-dilactone;N-[(3-Hydroxy-2-quinolinyl)carbonyl]-D-seryl-(2S)-2-piperidinecarbonylglycyl-N-methylglycyl-N-methyl-L-valinebimol. (5®1'3),(5'®13)-dilactone