(3aS,4S,7R)-3,3-dimethyl-3,3a,4,7-tetrahydro-4,7-methanopyrazolo[1,5-a]pyridine

3,4-Bis(trimethylsiloxy)-endo-tricyclo(4.2.1.02,5and)nona-3,7-dien

顺-5-降冰片烯-外型-2,3-二甲酸酐

环戊烯

(1R,2S,3R,4S)-3-((2-fluoroethyl)carbamoyl)bicyclo[2.2.1]hept-5-ene-2-carboxylic acid