I 1)݆̥ԙzy(c)O(sh)䡡 2)݆̥ƽzy(c)O(sh)䡡3)݆̥̥Ȧ(sh)(yn)C(j)4)ּ݆̥(j)zy(c)a(chn) 5)ȫԄ(dng)܇݆ba(chn)
l(f) O(sh)
+
r(ji)h
HOFMANN ݆̥̥Ȧzy(c)O(sh)
HOFMANN ݆̥ԙzy(c)O(sh)
HOFMANN ݆̥(dng)/oƽzy(c)