Freeman, Fillmore published the artcilePreparation of (E,E)-4-amino-1-aryl-3-cyano-4-methoxy-2-azabutadienes, Formula: C10H11N3O3S, the publication is Synthesis (1989), 698-9, database is CAplus.
Treatment of (NC)2CHN+H3 4-MeC6H4SO3– with NaOAc and RCHO (R = Ph, 2-BrC6H4, 2-ClC6H4, 2-O2NC6H4, 4-O2NC6H4, 4-HOC6H4, 2-naphthyl) in MeOH gave 23-99% (E,E)-RCH:NC(CN):C(OMe)NH2.
Synthesis published new progress about 5098-14-6. 5098-14-6 belongs to nitriles-buliding-blocks, auxiliary class Nitrile,Salt,Sulfonic acid,Amine,Benzene, name is 2-Aminomalononitrile 4-methylbenzenesulfonate, and the molecular formula is C10H11N3O3S, Formula: C10H11N3O3S.
Referemce:
https://en.wikipedia.org/wiki/Nitrile,
Nitriles – Chemistry LibreTexts