The term monobasic acid is identified in base64 scheme by the sequence bW9ub2Jhc2ljIGFjaWQ=, while the MD5 signature is equal to c3abf5ee9d5af7a135f7e33393bf8e72. The ASCII encoding of monobasic acid in hexadecimal notation is 6d6f6e6f62617369632061636964.