 Formazans in the IUPAC Gold Book

Entry F02486, DOI 10.1351/goldbook.F02486. Defines the parent H2NN=CHN=NH and derivatives obtained by carbon and/or nitrogen substitution. Underlying primary terminology recommendation: Pure and Applied Chemistry 67 (1995), 1307–1375, definition on p. 1336. Indexed primary entry verified; formula in the article is the stated parent connectivity.