2-methyl-2-[[[(4-methylphenyl)sulfonyl]oxy]methyl]cyclopentanone

N1-(cyclohex-1-en-1-yl)-N1,N2,N2-trimethylethane-1,2-diamine

重氮乙烷

环戊酮

trans-2-bromo-2-methylcylohexanol