The term hypophosphorous acid is identified in base64 scheme by the sequence aHlwb3Bob3NwaG9yb3VzIGFjaWQ=, while the MD5 signature is equal to ed33d1213282d3395f4b81fc7cceb8bd. The ASCII encoding of hypophosphorous acid in hexadecimal notation is 6879706f70686f7370686f726f75732061636964.