4-amino-4,5-dihydro-3-methyl-6-phenyl-1,2,4-triazin-5-one . EKI terminibaas Esterm. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//esterm/4-amino-4%2C5-dihydro-3-methyl-6-phenyl-1%2C2%2C4-triazin-5-one/1/eng (21.06.2026)