#$%^&*AU2012201606A120121011.pdf#####CRYSTALLINE LEVOFOLINIC ACID AND PROCESS FOR ITS PREPARATION Abstract The present invention relates to stable crystalline (6S)-N(5)-formyl-5,6,7,8tetrahydrofolic acid, commonly referred to as levofolinic acid, in essentially pure 6S diastereomeric form, and to a process for its preparation. 5