Dictionary Entry: 吖嗪

-azine ꞏ heterocyclic compound containing nitrogen in their ring such as pyridine 吡啶[bǐ dìng] C5H5N, pyrazine 噠嗪|哒嗪[dā qín] C4H4N2 or pyrimidine 嘧啶[mì dìng] C4H4N2