AIDS-107598 AIDS107598 GE2270A derivative Tert-butyl 3-[(2-{7,17,24,31,34,39,40,41,42,43-decaaza-35-(hydroxyphenylmethyl)-21-methyl-18-[(N-methylcarbamoyl)methyl]-28-[(methyldisulfanyl)methyl]-25-(methylethyl)-16,23,30,33-tetraoxo-3,13,20,27,37-pentathiaheptacyclo[34.2.1.1<2,5