semicarbazones

https://doi.org/10.1351/goldbook.S05589
Compounds having the structure R2C=NNHC(=O)NH2, formally derived by condensation of @[email protected] or @[email protected] with semicarbazide [NH2NHC(=O)NH2].
Source:
PAC, 1996, 68, 1361. (Functional dyes from nature: Potentials for technical applications) on page 1365 [Terms] [Paper]