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H. Twitchett, 1974 .

Chemistry of the production of organic isocyanates

H. Twitchett, 1974 .

380. A reaction of certain diazosulphonates derived from β-naphthol-1-sulphonic acid. Part XVI. The constitution and reactions of 1-methoxy-3-(4′- and 3′-nitroaryl)-4-methylene-3 : 4-dihydrophthalazines

F. M. Rowe, H. Twitchett, 1936 .