3-(4-Methoxyphenyl)-2-phenyl-2,3,3a,4-tetrahydrochromeno[4,3-c]pyrazole AIDS-149135 AIDS149135 Methyl 4-(2-phenyl-2,3,3a,4-tetrahydrochromeno[4,3-c]pyrazol-3-yl)phenyl ether NSC682862