fu1
see 呋喃 furan or 呋喃西林 furacilinum

strokes 7
radical
strokes after radical 4
呋喃 呋喃 fu1 nan2
furan (furfuran, used in making nylon)

呋喃西林 呋喃西林 fu1 nan2 xi1 lin2
furacilinum (loanword)