The term naphthoquinone is identified in base64 scheme by the sequence bmFwaHRob3F1aW5vbmU=, while the MD5 signature is equal to c4f81612635ce1a0c4322a49a582132a. The ASCII encoding of naphthoquinone in hexadecimal notation is 6e61706874686f7175696e6f6e65.