IC₅₀ of HUVECs by compounds 13b, 13d, 13j, 14a, 14c–14e, 14j, and 15g.

Sr. no.	Code	IC50a (μM)	A ring	B ring
1	13b	2	Phenyl	2-Cl phenyl
2	13d	>10	Phenyl	4-CF3 phenyl
3	13j	>10	Phenyl	3,4-DiCl phenyl
4	14a	>10	4-F phenyl	Phenyl
5	14c	0.7	4-F phenyl	2-Furyl
6	14d	6	4-F phenyl	4-CF3 phenyl
7	14e	>10	4-F phenyl	4-F phenyl
8	14j	2	4-F phenyl	3,4-DiCl phenyl
9	15g	>10	2,4-DiF phenyl	4-Tolyl
10	STS	0.5	—	—

^aAssays were performed in replicate (n ≥ 2).