3-(4-Methoxyphenyl)-2,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole AIDS-126902 AIDS126902 Methyl 4-(2,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazol-3-yl)phenyl ether NSC131380