1 VKJ 2'-deoxy-N-[(7r,8s,9r,10s)-7,8,9-trihydroxy-7,8,9,10-tetrahydrobenzo[pqr]tetraphen-10-yl]guanosine 5'-(dihydrogen phosphate) 1.000 2 2JV N-(8-aminopyren-1-yl)-2'-deoxy-5'-O-(trihydroxy-lambda~5~-phosphanyl)guanosine 0.792