The term tetanus antitoxin is identified in base64 scheme by the sequence dGV0YW51cyBhbnRpdG94aW4=, while the MD5 signature is equal to b6d219dccb020bc7d3db6fb0f4f539bd. The ASCII encoding of tetanus antitoxin in hexadecimal notation is 746574616e757320616e7469746f78696e.