qín
used in phonetic transcription -xine, -zine or -chin
ā qín
-azine
heterocyclic compound containing nitrogen in their ring such as pyridine 吡啶[bi3 ding4] C5H5N, pyrazine 噠嗪|哒嗪[da1 qin2] C4H4N2 or pyrimidine 嘧啶[mi4 ding4] C4H4N2
yì gē qín
isoalloxazine (name of organic chemical)