1 8F2 (R)-4-(6,7-dihydroxy-1-phenyl-3,4-tetrahydroisoquinoline-1h-2-carbonyl)benzenesulfonamide 1.000 2 8F3 4-[[(1~{S})-6,7-bis(oxidanyl)-1-phenyl-3,4-dihydro-1~{H}-isoquinolin-2-yl]carbonyl]benzenesulfonamide 1.000 3 4KB 4-[(6,7-dihydroxy-3,4-dihydroisoquinolin-2(1h)-yl)carbonyl]benzenesulfonamide 0.800 4 4KC 4-(3,4-dihydroisoquinolin-2(1h)-ylcarbonyl)benzenesulfonamide 0.733