O= A++N-R~ - ACS Publications

'l'hc, hitcwc:gclic ring in substitritrd 3,5-pyrazolidirlediones now has been found to be opened by the action of hydrazincs itnd,/or hizylamirie with...
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[COhTKIHJl.;16str., 26, 2977 (1932). U.A.R.