1,1a,7,7a-Tetrahydro-2H-cyclopropa[b]naphthalene 1H-Cyclopropa[b]naphthalene, 1a,2,7,7a-tetrahydro- 2H-Cyclopropa[b]naphthalene, 1,1a,7,7a-tetrahydro- 6571-72-8 NSC147471