Canadian Journal of Chemistry Issued by THE NATIONAL RESEARCH COUNCIL OF CANADA VOLUME IL FEBRU.4RY 1, 1966 NUMBER 3 ... VOL. 44. 1966 ... Tl~ecl~ernicalshifrfor H~ was4.28 ppm with^' J~ - 9 5 cps 2.3 3.4--' ispin-decoupling experiments showed I-lBand II! ...