| | | bis((2R,3R)-2,3-dihydroxybutanedioic acid); methyl (1R,9R,10S,11R,12R,19R)-11-(acetyloxy)-12-ethyl-4-[(12S)-16-ethyl-12-(methoxycarbonyl)-1,10-diazatetracyclo[12.3.1.0-¦,-¦-¦.0Gü¦,Gü¦]octadeca-3(11),4,6,8,15-pentaen-12-yl]-10-hydroxy-5-methoxy-8-m CAS:125317-39-7 Formula: C53H66N4O20 AS-75352 O[C@H]([C@@H](O)C(O)=O)C(O)=O.O[C@H]([C@@H](O)C(O) >97% |