methotrexate,polylysine,lysine
Lysine
718646-66-3L-Lysine,L-valyl-L-threonyl-L-prolyl-L-asparaginyl-L-asparaginyl-L-valyl-L-a-aspartyl-L-isoleucyl-L-alanyl-
105595-99-1L-Lysine,glycyl-L-a-aspartyl-L-valyl-L-a-glutamyl-L-lysylglycyl-L-lysyl-L-lysyl-L-isoleucyl-L-phenylalanyl-L-valyl-L-glutaminyl-