Synonyms: Flambamycin,6-dechloro-23-deoxy-; 2,4'-Spirobi[4H-1,3-dioxolo[4,5-c]pyran], flambamycinderiv.; Spiro[4H-1,3-dioxolo[4,5-c]pyran-2,2'-[2H]pyran], flambamycin deriv.;Avilamycin H;b-D-Mannopyranoside,O-(1R)-4-C-acetyl-6-deoxy-2,3-O-methylene-D-galactopyranosylidene-(1®3-4)-2-O-(2-methyl-1-oxopropyl)-a-L-lyxopyranosylO-4-O-(3-chloro-4-hydroxy-2-methoxy-6-methylbenzoyl)-2,6-dideoxy-b-D-arabino-hexopyranosyl-(1®4)-O-2,6-dideoxy-D-arabino-hexopyranosylidene-(1®3-4)-O-2,6-dideoxy-3-C-methyl-b-D-arabino-hexopyranosyl-(1®3)-O-6-deoxy-4-O-methyl-b-D-galactopyranosyl-(1®4)-2,6-di-O-methyl- (9CI)