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

The substance known as "1,8-diazafluoren-9-one" is commonly referred to by the abbreviation DFO. This compound is widely used in forensic science, particularly in the field of latent print examination, for its ability to enhance the visibility of latent fingerprints on various surfaces. The abbreviation DFO arises from its chemical structure, where "DFO" represents the essential components of the name, making it easier for practitioners to communicate and reference the substance in a practical setting.

The other options, while they may represent chemical compounds or abbreviations, do not correspond to the commonly recognized name for "1,8-diazafluoren-9-one." Thus, DFO is the widely accepted alternative name in forensic literature and practice.