guanosine 5'-phosphoromorpholidate 、
phosphoric acid mono-(3R,4R-dihydroxy-5S-methyl-pyrrolidin-2R-ylmethyl) ester 在
四氮唑 作用下,
以40%的产率得到Guanosine 5a(2)-(trihydrogen diphosphate), Pa(2)-[[(2R,3R,4R,5S)-3,4-dihydroxy-5-methyl-2-pyrrolidinyl]methyl] ester