a) H b) 6 d) 1) CH3MgBr 2) CH CH₂OH 1) Br₂, H₂O 2) pyridine er TYCH CH2MgBr 2) H₂O の ملی 1) (CH3CH2)2CuLi 2) CH,CH₂OH TBDMSO MgBr 1) H 2) H₂O*
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