51391-97-0 6H-Furo[2',3':4,5]oxazolo[3,2-a]pyrimidine-2-methanol, 3-(acetyloxy)-7-fluoro-2,3,3a,9a-tetrahydro-6-imino-, monohydrochloride, [2R-(2.alpha.,3.beta.,3a.beta.,9a.beta.)]- NSC179930