G. I. MELMAN, V. L. NOVIKOV, V. A. DENISENKO, V. P. GLAZUNOV, и V. P. ANUFRIEV, «Reactions of polyhydroxynaphthazarins and their methyl ethers with aqueous ammonia», Вестник ДВО РАН, вып. 6s, сс. 59–61, июн. 2019.