The term methacrylic acid is identified in base64 scheme by the sequence bWV0aGFjcnlsaWMgYWNpZA==, while the MD5 signature is equal to 3d591bc734009cca3574887217ab48d7. The ASCII encoding of methacrylic acid in hexadecimal notation is 6d657468616372796c69632061636964.