The term phenolphthalein is identified in base64 scheme by the sequence cGhlbm9scGh0aGFsZWlu, while the MD5 signature is equal to 3c3adabd2afab94c2ecba2f725358296. The ASCII encoding of phenolphthalein in hexadecimal notation is 7068656e6f6c70687468616c65696e.