tert-Butyl 2-((2-cyclopropylethyl)thio)-4-oxo-1,5,7,8-tetrahydropyrido[4,3-d]pyrimidine-6(4H)-carboxylate 50mg

tert-Butyl 2-((2-cyclopropylethyl)thio)-4-oxo-1,5,7,8-tetrahydropyrido[4,3-d]pyrimidine-6(4H)-carboxylate 50mg