1H-Pyrrolo(2,3-d)pyrimidine-5-carbonitrile, 2-((6-deoxy-4-O-(4-O-methyl-beta-D-glucopyranosyl)-alpha-D-glucopyranosyl)amino)-4-methoxy- 67298-15-1 Antibiotic SF 1917 BRN 4731179 Dapiramicin Dapiramicin A SF 1917