105582-76-1 3'-Deoxytoyocamycin 4-Amino-7-(3-deoxy-beta-D-erythro-pentofuranosyl)-7H-pyrrolo(2,3-d)pyrimidine-5-carbonitrile 7H-Pyrrolo(2,3-d)pyrimidine-5-carbonitrile, 4-amino-7-(3-deoxy-beta-D-erythro-pentofuranosyl)- BRN 6229674