(3aS，3'aS，8aR，8'aR)-2，2'-Cyclopentylidenebis[3a，8a-dihydro-8H-indeno[1，2-d]oxazole]

(3aS，3'aS，8aR，8'aR)-2，2'-Cyclopentylidenebis[3a，8a-dihydro-8H-indeno[1，2-d]oxazole] ≥98%，99%e.e.