恶 噁 e3
variant of 惡|恶, esp. used in names of chemical components

strokes 15
radical
口
口
strokes after radical 12
恶嗪 噁嗪 e3 qin2
oxazine C4H5NO

恶心 噁心 e3 xin1
variant of 惡心|恶心

二恶英 二噁英 er4 e4 ying1
dioxin; also written 二惡英|二恶英