1-Nitro-7,8,9,10-tetrahydrobenzo(a)pyrene 7,8,9,10-Tetrahydro-1-nitrobenzo(a)pyrene 88598-56-5 BENZO(a)PYRENE, 7,8,9,10-TETRAHYDRO-1-NITRO- BRN 6226550 CCRIS 5869