Sunshine Biopharma has acquired all of the remaining rights to its anticancer compound Adva-27a for $12.8 million, which will be paid with quarterly payments through December 2020. The Patent Purchase Agreement provides direct ownership of all issued and pending Adva-27a related patents and intellectual property worldwide. Sunshine previously had ownership of only the U.S. patent.   Adva-27a is a Topoisomerase II inhibitor, small molecule that has recently been shown to be effective at killing...