121843-89-8 CCRIS 2852 Cycloprop(f)indene-1a,2(1H)-dicarboxaldehyde, 3,4,5,5a,6,6a-hexahydro-6-hydroxy-4,4,6a-trimethyl-, (1aS-(1aalpha,5aalpha,6alpha,6aalpha))- Isomerulidial