126166-56-1 | Sperm-activatingpeptide b (Echinometra mathaei type A egg jelly coat) (9CI) | C37H57 N11 O13 |
126166-58-3 | Sperm-activatingpeptide c (Heterocentrotus mammillatus egg jelly coat) (9CI) | C39H59 N11 O15 |
126166-57-2 | Sperm-activatingpeptide b (Heterocentrotus mammillatus egg jelly coat) (9CI) | C38H58 N10 O14 S |