prov:value
| - alcohols such as benzyl alcohol, geraniol, phytol, 8-hydroxy-2,6-dimethyl-octa-2,4,6-trien-1-oic acid ethyl ester, 8-hydroxy-2,6-dimethyl-octa-2,4,6-trien-1-al acetal, vitamin A alcohol, ionol and the like. The manufacture of all-trans vitamin A
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