1H-Pyrrolo(2,3-d)pyrimidine-5-carboxylic acid, 2-amino-4,7-dihydro-4-oxo-7-beta-D-ribofuranosyl- 1H-Pyrrolo(2,3-d)pyrimidine-5-carboxylic acid, 4,7-dihydro-2-amino-4-oxo-7-beta-D-ribofuranosyl- 7-Carboxy-7-deazaguanosine 81645-08-1 BRN 4718786 Cadeguomycin