Table 1. IC50 of BBR derivatives measured for pNPP hydrolysis by EYA3.

Compound	IC50 μM (95% confidence intervals)
BBR	8.1 (7.4 – 9.3) a
6OH-BBR	21.5 (18.3 – 25.3)
1’OH-BBR	52.5 (33.9 – 81.5)
5OH-BBR	49.4 (23 – 105))
DMBZ	135.2 (121.9 – 150.1)
DIBZI	20.5 (18.9 – 22.2)
BZI	8.9 (8.5 – 9.4)
BZ	17.5 (16.2 – 18.8) a
1b	9.7 (8.3 – 11.4) a
ODAA	3.1 (2.6 – 3.7)
OH-ODAA	16.4 (14.9 – 17.9)

^a indicates IC50 values reported previously [13]