Levorphanol
Products In many countries, no finished drug products containing levorphanol are on the market. In other countries, products are registered. Structure and properties Levorphanol (C17H23NO, Mr = 257.4 g/mol) is present in the drug as levorphanol tartrate, a white crystalline powder that is soluble in water. It is an opioid and a derivative of morphine. … Levorphanol
