qin2
used in phonetic transcription -xine, -zine or -chin

strokes 13
radical
strokes after radical 10
吖嗪 吖嗪 a1 qin2
-azine; heterocyclic compound containing nitrogen in their ring such as pyridine 吡啶 C5H5N, pyrazine 噠嗪|哒嗪 C4H4N2 or pyrimidine 嘧啶 C4H4N2

哒嗪 噠嗪 da1 qin2
pyrazine C4H4N2; diazine

恶嗪 噁嗪 e3 qin2
oxazine C4H5NO

哌嗪 哌嗪 pai4 qin2
piperazine (medicine)

异咯嗪 異咯嗪 yi4 ge1 qin2
isoalloxazine (name of organic chemical)