prov:value
| - wherein R3 is independently selected from a substituted or unsubstituted phenyl group and R4 is an alkyl group such as a substituted or unsubstituted, saturated linear or branched hydrocarbon group or chain (e.g., C1 to C8) including, e.g., methyl, ethyl, isopropyl, tert-butyl, heptyl, n-octyl, dodecyl, octadecyl, amyl, 2-ethylhexyl, or a pharmaceutically acceptable derivative thereof, as an indiv
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