Table 1.

IC₅₀ values of selected compounds against PI3Kα and PI3Kγ.

Compd	IC50 [μm]	Ratio
	PI3Kα	PI3Kγ	α/γ
1	4.5	0.30	18
2	0.060	0.0080	7.5
3	0.050	0.040	1.3
4	0.25	0.10	2.5
5	0.45	0.12	3.8
6	50	>100	<0.50
7	1.9	1.0	1.9
8	7.3	27	0.30
9	4.4	9.3	0.50
10	2.7	4.9	0.60
11	0.069	0.042	1.6
12	0.15	0.12	1.2
13	2.7	0.25	11
14	11	1.5	7.1
15	9.4	3.1	3.1
16	86	4.0	22
17	22	1.4	16
19	0.0030	0.0013	2.2
20	8.3	0.62	13
40	3.0	0.41	7.3
41	11	1.4	7.9
42	0.14	0.060	2.3
43	8.7	>100	<0.087
44	9.0	>100	<0.090
45	0.40	0.20	2.0
46	0.10	0.025	4.0
47	0.80	1.0	0.80