22242-90-6 7H-Pyrrolo[2,3-d]pyrimidine-5-carbothioamide, 4-amino-7-.beta.-D-ribofuranosyl- 7H-Pyrrolo[2,3-d]pyrimidine-5-carboxamide, 4-amino-7-.beta.-D-ribofuranosylthio- NSC105827 SANGIVAMYCIN,-THIO THIOSANGIVAMYCIN