prov:value
| - R1 represents hydrogen, chlorine, bromine, iodine, fluorine, SR3, or hydroxy; R2 represents hydrogen or fluorine, with the proviso that where R1 is other than fluorine, then R2 represents hydrogen; and R3 represents tetrazole, substituted tetrazole, triazole, (C1-C4)alkyl, or (C1-C4)alkyl-CO2H; with the further proviso that where R1 and R2 each independently represent fluorine, the compound is of
|