(R)-5-(2-((tert-Butyldimethylsilyl)oxy)ethyl)-4-chloro-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine 250mg

(R)-5-(2-((tert-Butyldimethylsilyl)oxy)ethyl)-4-chloro-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine 250mg