939.5471; 985.5071; 1015.6208; 1020.5803; 1135.5731; 1239.6599; 1255.6475; 1526.7367; 1542.723; 1605.7673; 1621.7581; 1766.8962; 1811.9072; 1959.0284; 2773.4282; TRYPSIN