The present invention provides compounds of the formulawhereinR is optionally substituted lower alkyl, cycloalkyl or aryl;R′ is alkyl or aryl;n is zero or an integer of 1 or 2; or an enantiomer thereof; or an enantiomeric mixture thereof.The compounds of formula (I) are bridged C2-symmetric biphenyl.....
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Early detection of epidemic viruses is of prime importance as it may enhance the probability of survival for a patient. Conventional detection techniques either require long processing time for accurate results or have low sensitivity. This low-cost luminescent detection platform with ultra-sensitiv.....
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The present invention relates to a rubbish bin, particularly to a rubbish bin in which the weight of the base portion can be increased and adjusted to fit different purposes and environments
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