5,6-Dihydro-6-(3-tris(1-methylethyl)phosphoranylidene)-1-triazenyl)benzo(c)phenanthren-5-ol trans- 71382-57-5 Benzo(c)phenanthren-5-ol, 5,6-dihydro-6-(3-tris(1-methylethyl)phosphoranylidene)-1-triazenyl)-, trans-