9-((1R,2S,3R,4S)-2,3-dihydroxy-4-propionylamino-cyclopentyl)-6-(2,2-diphenyl-ethylamino)-9H-purine-2-carboxylic acid (2-[3-((R)-1-pyridin-2-yl-pyrrolidin-3-yl)-ureido]-ethyl)-amide trifluoroacetate 、
1-(2-amino-ethyl)-3-((S)-1-pyridin-2-yl-pyrrolidin-3-yl)-urea 生成 9-((1R,2S,3R,4S)-2,3-dihydroxy-4-propionylamino-cyclopentyl)-6-(2,2-diphenyl-ethylamino)-9H-purine-2-carboxylic acid {2-[3-((S)-1-pyridin-2-yl-pyrrolidin-3-yl)-ureido]-ethyl}-amide trifluoroacetate