Profiles of Drug Substances, Excipients, and Related Methodology, Volume 49 provides timely and pertinent information on a variety of timely topics, including Physical Profiles of Drug Substances and Excipients; Analytical Profiles of Drug Substances and Excipients; ADME Profiles of Drug Substances and Excipients; Methodology Related to the Characterization of Drug Substances and Excipients; and Methods of Chemical Synthesis. In addition, it includes comprehensive profiles of five drug compounds: Deferasirox, Duvelisib, Regorafenib, Ponatinib and Avanafil. Finally, the book contains a chapter on Regulation and Standardization of Herbal Drugs: Current status, Limitation, Challenge’s, and Future Prospectives.