PROCESS FOR THE PREPARATION OF A NOVEL POLYMORPH OF (1-{9-[(4S, 2R, 3R, 5R)-3, 4-DIHYDROXY - 5-(HYDROXYMETHYL)OXOLAN-2-YL)-6-AMINOPURIN-2-YL}PYRAZOLE-4-YL)-N-METHYLCARBOXAMIDE
The invention provides a novel polymorph of Regadenoson. More particularly, the invention provides propylene glycol solvate of Regadenoson. The invention also provides a process for the preparation of propylene glycol solvate of Regadenoson.