C09692

ISOVELLERAL

(1as-(1a-alpha,3a-beta,6a-beta,6b-alpha))-rimethyl

cycloprop(e)indene-1a,2(1h)-dicarboxaldehyde,3a,4,5,6,6a,6b-hexahydro-5,5,6b-t

(1aβ,3aα,6aα,6bβ)-3a,4,5,6,6a,6b-Hexahydro-5,5,6b-trimethylcycloprop[e]indene-1a,2(1H)-dicarbaldehyde