2-(1,1,2-trichloroethyl)-3-oxa-2-azabicyclo[2.2.1]hept-5-ene

4-(2-环戊烯-1-基)-吗啉

trans-4-deuterio-3-morpholinocyclopentene

2,4-dichloropentanedioic acid

5-(6-methylhept-5-en-2-ylidene)cyclopenta-1,3-diene