Question

What is the compound structures for



2 3-bromo-4-ethyl-1,1,1-trifluoro-5-methylheptane











3 4-chloro-2,5,6-trimethyl-1-heptene







4 5-bromo-4,4-dichloro-1-hexyne





1,1,1-trichloro-8,8,8-trifluoro-4-octyne