(2-氧代环戊基)-乙酸甲酯

1-(1-methylsulfanyl-6,7-dihydro-5H-cyclopenta[c]pyridin-3-yl)ethanone

2-phenacylcyclopentan-1-one

4-pyrrolidin-1-ylbicyclo[3.2.1]octan-8-one

三环[8.2.1.03,8]十三-3,5,7-三烯-13-酮