Compound % relative cell viability   5 μM 50 μM 1a 88.2 ± 4.5 46.2 ± 12.9 2c 108.9 ± 7.9 67.3 ± 16.6 6f 118.5 ± 11.5 111.6 ± 8.2 9d 85.8 ± 1.6 93.3 ± 10.2

Table 3: Toxicity of compounds 1a, 2c, 6f, and 9d on BMMØ.