Chemical structures of 3,3′-carbonyl-bis(chromones) derivatives and IC₅₀ values against b-TNAP and c-IAP inhibitors.

Compound no.	Chemical structures & IUPAC names	IC50 (μM)		References
		b-TNAP	c-IAP
29		26.5	12.9	138
30		6.74	9.31	138
31		2.47	28.2	138
32		9.25	23.3	138
33		37.1%	0.653	138
34		6.61	21.3%	138
Standards		19.2	—	138
		—	80.1	138