发明授权
US4946989A Optically active compound 失效
光学活性化合物

Optically active compound
摘要:
A compound of ##STR1## (wherein n is an integer from 2 to 15; R' is ##STR2## m is total number of carbon atoms in R' and is an integer from 5 to 12, and * mark shows asymmetric carbon atom) which is useful for an electric indicative element of liquid crystal is provided.
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