leuco compounds [obsolete]

https://doi.org/10.1351/goldbook.L03503
Dihydroxy polycyclic @A00441@ compounds which on @O04362@ form polycyclic quinone dyes (intermediates in vat dyeing). Use of this class name, which is more or less parochial to the technology of dyes, is not endorsed.
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1347 [Terms] [Paper]