#	Systems	Stoichiometry	Ref.
1	R20	P20	-1	1	-3.3
2	R21	P20	-1	1	4.4
3	R22	P22	-1	1	-5.9
4	R25	P25	-1	1	-4.8
5	R26	P26	-1	1	-2.5
6	R28	P26	-1	1	4.0
7	R29	P25	-1	1	4.5
8	R40	P40	-1	1	1.7
9	R43	P43	-1	1	2.9
10	R44	P44	-1	1	3.7
11	R45	P45	-1	1	1.2
12	R46	P46	-1	1	3.7
13	R47	P47	-1	1	3.8
14	R48	P48	-1	1	4.4
15	R49	P49	-1	1	4.2
16	R51	P51	-1	1	1.6
17	R52	P52	-1	1	4.2
18	R56	P56	-1	1	5.9
19	R57	P51	-1	1	5.8
20	R60	P60	-1	1	8.6
