Synonyms: AntibioticK 41; 2H-Pyran-2-acetic acid, 6-[[3,9-dimethoxy-2,4,10-trimethyl-2-[octahydro-5'-[tetrahydro-6-hydroxy-3,5,6-trimethyl-4-[(tetrahydro-5-methoxy-6-methyl-2H-pyran-2-yl)oxy]-2H-pyran-2-yl][2,2'-bifuran]-5-yl]-1,6-dioxaspiro[4.5]dec-7-yl]methyl]tetrahydro-a,2-dihydroxy-4,5-dimethoxy-3,5-dimethyl-,[2S-[2a,2(S*),3a,4b,5a,6b[2S*[2R*,2'S*,5S*,5'S*[2R*,3R*,4R*(2S*,5R*,6S*),5S*,6R*]],3S*,4S*,5R*,7R*,9S*,10S*]]]-;37454RP; Antibiotic 37454 RP; Antibiotic A 32887; K 41A; Stereoisomer of6-[[3,9-dimethoxy-2,4,10-trimethyl-2-[octahydro-5'-[tetrahydro-6-hydroxy-3,5,6-trimethyl-4-[(tetrahydro-5-methoxy-6-methyl-2H-pyran-2-yl)oxy]-2H-pyran-2-yl][2,2'-bifuran]-5-yl]-1,6-dioxaspiro[4.5]dec-7-yl]methyl]tetrahydro-a,2-dihydroxy-4,5-dimethoxy-3,5-dimethyl-2H-pyran-2-aceticacid