(2S,3S,4R,5R)-4-(Benzoyloxy)-5-(6-[(2,2-diphenylethyl)amino]-2-{[({[2-(1-piperidinyl) ethyl]amino}carbonyl)amino]methyl}-9H-Purin-9-yl)-2-[(ethylamino)carbonyl]tetrahydro-3-furanyl benzoate (HCID 58904390)|Huagongshe