4-Morpholinecarboxylic acid,(3R,5S)-5-[[4-[[4-(phenylmethyl)phenyl]amino]thieno[3,2-d]pyrimidin-6-yl]ethynyl]-3-pyrrolidinyl ester

4-Morpholinecarboxylic acid,(3R,5S)-5-[[4-[[4-(phenylmethyl)phenyl]amino]thieno[3,2-d]pyrimidin-6-yl]ethynyl]-3-pyrrolidinyl ester ·