What is an alternative name for "1,8-diazafluoren-9-one"?

The correct alternative name for "1,8-diazafluoren-9-one" is DFO. This compound is widely recognized in the field of forensic science, particularly in latent print analysis. DFO is used as a reagent for developing latent fingerprints on porous surfaces. It fluoresces under certain conditions, making it easier to visualize fingerprints which may otherwise be difficult to detect.

In the context of forensic applications, DFO has gained recognition for its effectiveness and is valued for its ability to enhance the visibility of latent prints, contributing to forensic investigations.