Table 1. Overview of the Coformers Predicted and Screened for Racemic Praziquantel^a.

rank	coformer	score	precision	screening (PXRD)	SC-XRD
1	sebacic acid	9.31	0.49	x
2	suberic acid	9.23	0.49	x
3	benzoic acid	8.00	0.47	x
4	pimelic acid	7.54	0.46	√
5	salicylic acid	6.91	0.44	√	√(+H2O)
6	1,4-diiodotetrafluorobenzene	5.82	0.40	√	√
7	4-hydroxybenzoic acid	5.26	0.38	√	√
8	terephthalic acid	5.22	0.38	x
9	4-aminobenzoic acid	4.79	0.36	x
10	isophthalic acid	3.82	0.31	x
11	azelaic acid	3.75	0.30	x
12	4-aminosalicylic acid	3.45	0.28	√	√(+MeCN)
13	3,5-dinitrobenzoic acid	3.34	0.28	√	√
14	trans-cinnamic acid	3.22	0.27	x
15	hydroquinone	3.09	0.26	√, √	√
16	3-hydroxybenzoic acid	3.02	0.26	x
17	anthranilic acid	2.85	0.25	x
18	phthalic acid	2.68	0.24	x
19	d-(−)-tartaric acid	2.67	0.24	x
20	vanillic acid	2.55	0.23	√, √	√
21	4-nitrobenzoic acid	2.33	0.22	x
22	2,5-dihydroxybenzoic acid	2.21	0.21	√, √	√, √(+MeCN)
23	2-fluorobenzoic acid	2.12	0.20	x
24	3,5-dihydroxybenzoic acid	2.10	0.20	√	√(+MeCN)
25	3-nitrobenzoic acid	2.02	0.19	x
26	4-nitrophenol	1.98	0.19	x
27	1-hydroxy-2-naphtoic acid	1.94	0.19	x
28	2,4-hydroxybenzoic acid	1.86	0.18	√, √, √	√
29	orcinol	1.72	0.17	√	√
30	dodecanedioic acid	1.69	0.17	x

^a√, new phase observed with powder X-ray diffraction (PXRD) or single-crystal X-ray diffraction (SC-XRD); x, physical mixture or oil of the constituents observed with powder X-ray diffraction (PXRD).