The term structural formula is identified in base64 scheme by the sequence c3RydWN0dXJhbCBmb3JtdWxh, while the MD5 signature is equal to afeb1ee2f2612ec6d35e56d495da5c9e. The ASCII encoding of structural formula in hexadecimal notation is 7374727563747572616c20666f726d756c61.