| http://www.w3.org/ns/prov#value | - A particular embodiment of this process includes the reduction of a compound of formula (VII) wherein W is the group CHR9 CN, CHR8 CHR9 NO2, CH???CR9 NO2 or CHR8 CR9 ???NOH using, for example, lithium aluminium hydride or by catalytic reduction with hydrogen, e.g. hydrogen in the presence of a catalyst such as palladium, optionally in the presence of a mineral acid, such as hydrochloric or sulphur
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