| http://www.w3.org/ns/prov#value | - For example, the instance wherein R5 is hydrogen and R9 taken together with R7 forms optionally substituted trimethylene is illustrated by the following: [0118] in which R is an optional hydroxy or oxo group and X1 and R11 are as defined in the Summary of the Invention. [0119] ???Alkylidene??? means a straight or branched saturated or unsaturated, aliphatic, divalent radical having the number of c
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