| oxalan | <chemistry> A complex nitrogenous substance C3N3H5O3 obtained from alloxan (or when urea is fused with ethyl oxamate), as a stable white crystalline powder. Synonym: oxaluramide. Origin: From Alloxan, by transposition of letters. Source: Websters Dictionary (01 Mar 1998) |
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| oxalantin | <chemistry> A white crystalline nitrogenous substance (C6H4N4O5) obtained by the reduction of parabanic acid. Synonym: leucoturic acid. Origin: From Alloxantin, by transposition of letters. Source: Websters Dictionary (01 Mar 1998) |