rule...Be rationale. There are several different areas of the drug development world. There is USA or North America, UK, Europe, Japan, China, Asia, South America all inhibited by people who get diseases. This fact alone would call for more than one term sheet or one deal. Then there are 2 different drugs for the same areas of the world. More term sheets.
And then there is the Fact that multiple deals with multiple companies might be very advantageous for IPIX in several different ways that i won't go into. All JMO!!!