Table 2. Retention time (Rt), molecular weight (MW), prevalence, and mean relative area of each peptide based on HPLC-MS chromatograms.

Rt (min)	MW	Prevalence (%)	Mean relative area
Colostethus panamansis (N = 36)
3.6	1041.5	61	0.14
4.45	1064.0	100	1.00
4.5	3306.6	72	0.35
4.8	1936.2	25	0.12
5.0	1512.0	42	0.28
5.3	2988.6	3	0.03
5.3	3001.5	3	0.02
5.7	2986.6	6	0.20
7.0	2974.5	17	0.65
6.8	2957.7	17	0.57
7.1	2972.6	17	0.93
7.0	2290.4	11	1.07
7.3	2231.4	6	0.63
7.6	2315.4	6	0.94
8.1	1005.6	94	1.66
9.7	1790.0	6	0.13
Espadarana prosoblepon (N = 16)
1.45	1746.7	81	0.02
2.2	1585.8	94	0.31
3.7	2650.2	100	0.72
4.4	2698.2	100	1.14
4.55	2634.2	100	0.74
4.6	2652.2	100	0.37
4.75	1004.6	100	0.39
5.05	1004.6	100	0.51
5.45	2681.2	100	1.00
5.69	2665.1	38	0.06

Area is relative to a consistently observed peak, MW 1064.0 for C. panamansis and MW 2681.2 for E. prosoblepon.