The term acrylonitrile is identified in base64 scheme by the sequence YWNyeWxvbml0cmlsZQ==, while the MD5 signature is equal to 7d99be73d27ec91cd15b47491c9a4c15. The ASCII encoding of acrylonitrile in hexadecimal notation is 616372796c6f6e697472696c65.