The term di-iodotyrosine is identified in base64 scheme by the sequence ZGktaW9kb3R5cm9zaW5l, while the MD5 signature is equal to 1fae232b1ec320ef7bb2487921c7f1a5. The ASCII encoding of di-iodotyrosine in hexadecimal notation is 64692d696f646f7479726f73696e65.