It’s only fair to share… WO2017163257) PROCESS FOR PREPARING PURE LH-PYRAZOLO[3,4-D] PYRIMIDINE DERIVATIVE https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2017163257&recNum=1&maxRec=145&office=&prevFilter=&sortOption=Pub+Date+Desc&queryString=FP%3A%28IND+SWIFT%29&tab=PCTDescription IND-SWIFT LABORATORIES LIMITED ARUL, Ramakrishnan; (IN). SARIN, Gurdeep Singh; (IN). WAS, Sandeep; (IN). KUMAR, Vishal; (IN) The present invention relates to an efficient and industrially advantageous process for the preparation of pure lH-pyrazolo[3,4-d] pyrimidine derivative. In particular the present invention provides …