The term monocarboxylic is identified in base64 scheme by the sequence bW9ub2NhcmJveHlsaWM=, while the MD5 signature is equal to b15e3e4ee88e8c20d62077273d55e3e5. The ASCII encoding of monocarboxylic in hexadecimal notation is 6d6f6e6f636172626f78796c6963.