| http://www.w3.org/ns/prov#value | - are each hydroxy radicals or acyloxy radicals I (0 6 R wherein R is an alkyl radical or an aryl radical) 3,397,984 Patented Aug. 20, 1968 ice X is a hydrogen atom, an acyloxyrnethyl radical o (CH2O R wherein R is an alkyl radical or an aryl radical) or a carbinol radical (-CH OH); Y is a carboxy radical o i OH) a carbamyl radical o ((U2NH2) or a radical having the formula 0 il 0R1 wherein R is an
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