Pharmaceutical preparations for the treatment of cancer; pharmaceutical preparations for the treatment of blood diseases; pharmaceutical preparations for the treatment of diseases of the bone marrow; pharmaceutical preparations for the treatment of cancer, namely, BET protein inhibitors; pharmaceutical preparations for the treatment of myelofibrosis; pharmaceutical preparation for the treatment of myelodysplastic syndrome (MDS); pharmaceutical preparations for the treatment of myeloproliferative neoplasm; pharmaceutical preparations for suppressing tumors; pharmaceutical preparations for the treatment of thrombocythemia; pharmaceutical preparations for the treatment of diseases that involve dysregulation of epigenetic pathways; pharmaceutical preparations for epigenetic modulators as therapeutics; pharmaceutical preparations comprising small molecules for treating cancer, myelofibrosis, myelodysplasic syndrome (MDS), myeloproliferative neoplasm, thrombocythemia, anemia, low-risk myelodysplasic syndrome (MDS), essential thrombocythemia (ET) and diseases that involve dysregulation of epigenetic pathways; small molecule pharmaceuticals for the treatment of diseases and conditions, namely cancer, myelofibrosis, myelodysplasic syndrome (MDS), myeloproliferative neoplasm, thrombocythemia, anemia, low-risk myelodysplasic syndrome (MDS), essential thrombocythemia (ET) and diseases that involve dysregulation of epigenetic pathways; pharmaceuticals and pharmaceutical preparations for human use for the treatment and prevention of diseases and disorders, namely cancer, myelofibrosis, myelodysplasic syndrome (MDS), myeloproliferative neoplasm, thrombocythemia, anemia, low-risk myelodysplasic syndrome (MDS), essential thrombocythemia (ET) and diseases that involve dysregulation of epigenetic pathways; antibodies sold as a component ingredient of pharmaceuticals for the treatment of cancer, myelofibrosis, myelodysplasic syndrome (MDS), myeloproliferative neoplasm, thrombocythemia, anemia, low-risk myelodysplasic syndrome (MDS), essential thrombocythemia (ET) and diseases that involve dysregulation of epigenetic pathways; antibodies for use in the manufacture of active ingredients of pharmaceuticals and vaccines for the treatment of cancer, myelofibrosis, myelodysplasic syndrome (MDS), myeloproliferative neoplasm, thrombocythemia, anemia, low-risk myelodysplasic syndrome (MDS), essential thrombocythemia (ET) and diseases that involve dysregulation of epigenetic pathways; diagnostic preparations for medical purposes; clinical medical reagents; biological preparations for medical purposes, namely for the treatment of cancer, myelofibrosis, myelodysplasic syndrome (MDS), myeloproliferative neoplasm, thrombocythemia, anemia, low-risk myelodysplasic syndrome (MDS), essential thrombocythemia (ET) and diseases that involve dysregulation of epigenetic pathways; pharmaceutical and veterinary preparations and agents for the treatment of cancer, myelofibrosis, myelodysplasic syndrome (MDS), myeloproliferative neoplasm, thrombocythemia, anemia, low-risk myelodysplasic syndrome (MDS), essential thrombocythemia (ET) and diseases that involve dysregulation of epigenetic pathways