preferred_name: 1-((3R)-3-(5-(3-((3R)-3-(4-AMINO-3-(4-PHENOXYPHENYL)-1H-PYRAZOLO(3,4-D)PYRIMIDIN-1-YL)-1-PIPERIDINYL)-3-OXOPROPYL)-4,5-DIHYDRO-4-IMINO-3-(4-PHENOXYPHENYL)-1H-PYRAZOLO(3,4-D)PYRIMIDIN-1-YL)-1-PIPERIDINYL)-2-PROPEN-1-ONE