27137-33-3 3a,4,5,6,7,7a-Hexahydro-4,7-methano-1H-indenol 4,7-Methano-1H-indenol, 3a,4,5,6,7,7a-hexahydro- 52297-00-4 EINECS 248-252-2 Hydroxy dicyclopentadiene