Xu, Liang-Zhong and Yu, Guan-Ping and Xu, Feng-Ling and Li, Wei-Hua (2005) 4-Amino-6-phenyl-3-thioxo-2,3-dihydro-1,2,4-triazin-5(4H)-one. Acta Crystallographica Section E, 61 (7). O2061-O2062. ISSN 1600-5368