... 1826 (1980) N—Nitroso CompOunds formed by the Reaction of Sulpyrine with Nitrite” AYAKO SAKAI and AKIO ... japan, 13, 36 (1972); H. Ishiwata, P. Boriboon, Y. Nakamura, M. Harada, A. Tanimura, and M. Ishidate ... The chemical shifts of various compounds are given in 6 units. ...