(3R,4S,5S,6R,7S,22S)-23,27-Didemethoxy-2,6,22-tridemethyl-11-O-demethyl-22-[(2,6-dideoxy-3,4-di-O-methyl-.beta.-L-arabino-hexopyranosyl)oxy]-6-methoxy-lonomycin A 2H-Pyran-2-acetic acid, 6-[(1R)-1-[(2S,5R,7S,8R,9S)-2-[(2S,2'R,3'S,5R,5'R)-3'-[(2,6-dideoxy-3,4-di-O-methyl-b-L-arabino-hexopyranosyl)oxy]octahydro-2-methyl-5'-[(2S,3S,5R,6S)-tetrahydro-6-hydroxy-3,5,6-trimethyl-2H-pyran-2-yl][2,2'-bifuran]-5-yl]-9-hydroxy-2,8-dimethyl-1,6-dioxaspiro[4.5]dec-7-yl]ethyl]tetrahydro-2-hydroxy-4,5-dimethoxy-3-methyl-, monoammonium salt, (2R,3S,4S,5R,6S)- 84878-61-5 (MONOAMMONIUM SALT) AIDS-000826 AIDS000826 American Cyanamid 274297 CL-273703 Cygro Maduramicin