A compound, or a pharmaceutically acceptable salt, ester, hydrate or solvate thereof, comprising formula IV: A-B wherein A comprises a substrate for an enzyme of a microorganism; B comprises an odorant moiety; B is covalently bonded to an anomeric carbon of A; and A is enzymatically cleavable from B at the covalent bond site between A and B by the enzyme of the microorganism. Examples of such compounds are referred to as substrate-odorant compounds or odorant chimeras. Also disclosed are methods for detecting a microorganism that include contacting the compound with a sample that may include the microorganism.
ACKNOWLEDGMENT OF GOVERNMENT SUPPORT
 This invention was made with government support under Contract No. DE-AC52-06NA25396 between the United States Department of Energy and Los Alamos National Security, LLC for the operation of Los Alamos National Laboratory. The U.S. Government has certain rights in the invention.