3,4-Dihydrocyclopenta(cd)pyren-4-ol 4-Hdcpp 4-Hydroxy-3,4-cyclopenta(c,d)pyrene 4-Hydroxy-3,4-dihydrocyclopenta(cd)pyrene 80010-98-6 Cyclopenta(cd)pyren-4-ol, 3,4-dihydro-