Peculiarites of interaction between 3-(2-aminophenyl)-6-R-1,2,4-triazin-5(2H)-ones and cyclic anhydrides of non-symmetric dicarboxylic acids - Yu. Voskoboynik; Yu. Skorina; S. V. Shishkina; O. V. Shishkin; S. I. Kovalenko; V. V. Ivchuk (Journal of organic and pharmaceutical chemistry, 2015)