AIDS-125905 AIDS125905 ENTAMYCIN ETAMYCIN N-(6-(1,2-Dimethylpropyl)-23-hydroxy-19-isobutyl-2,5,9,11,15-pentamethyl-1,4,7,10,13,17,20-heptaoxo-12-phenyldocosahydro-1H-pyrrolo[2,1-o][1,4,7,10,13,16,19]oxahexaazacyclodocosin-16-yl)-3-hydroxy-2-p\tyridinecarboxamide NSC88468 VIRIDOGRISEIN