(S)-4-Amino-6-bromo-7-((3R,4S,5R)-3,4-dihydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-7,7a-dihydro-4aH-pyrrolo[2,3-d]pyrimidine-5-carbonitrile 20201-55-2 6-Bromotoyocamycin AIDS-060745 AIDS060745 NSC113951 Pyrrolo[2,3-d]pyrimidine der.