... Chem. ... s, 3 H), 8.02 (s, lH), 8.25 (dd, 1 H, J = 8.5, 1.0 Hz), 8.43 (dd, 1 H, J = 8.5, 2.0 Hz), 9.10 (dd, 1 H, J = 2.0, 1.0 ... This material is contained in libraries on microfiche, immediately follows this article in the microfilm version of the journal, and can be ordered from the ACS; see any ...