Phenylhydrazone derivatives of Meldrum's acid: crystal and molecular structures of 2,2-dimethyl-1,3-dioxan-4,5,6-trione 5-(2-nitrophenylhydrazone)(1) and 2,2-dimethyl-1,3-dioxan-4,5,6-trione 5-(2-chlorophenylhydrazone)(2)
1981 ◽
pp. 1454
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