Talk:Artificially Expanded Genetic Information System

New four bases

 * 2,4-Diaminopyrimidine : K
 * Imidazo[1,2-a][1,3,5]triazine-2,4(1H,3H)-dione : X (CAS: 67410-57-5)
 * 6-Amino-3-nitropyridin-2-ol : : V
 * 4-aminoimidazo[1,2-a][1,3,5]triazin-2(1H)-one] : J --Sharouser (talk) 15:20, 2 March 2019 (UTC)