2'-Deoxy-N-(7,8,9,10-tetrahydro-7,8,9-trihydroxybenzo(a)pyren-10-yl)guanosine (7alpha,8beta,9alpha,10beta)-(+-)- 62696-74-6 Guanosine, 2'-deoxy-N-(7,8,9,10-tetrahydro-7,8,9-trihydroxybenzo(a)pyren-10-yl)-, (7alpha,8beta,9alpha,10beta)-(+-)-