Nov. 5 , 1962
COIvl~IUNICATIONSTO THE
EDITOR
4157
N o . of obObserved line served lines width (gauss)"
System
Hyperfine structure
U,y'-Bifluoreiie-a-Y,Y'-bifluorenc 19 18.4 Main quintet Hydroazobenzene-azobenzene 4: 38.2 Complex Furoin-furilc 27 9.3 Main quintet Fluorene-9-ol-fluoren-y-one 2
