The term "NATL BUR STAND MONOGR" does not correspond to any recognized word or phrase in the English language. It seems to be a combination of unrelated letters and abbreviations without a clear meaning. Therefore, there are no synonyms available for this nonexistent term. It is important to ensure accuracy when using words or phrases to effectively communicate ideas. If you intended to ask about synonyms for another word or phrase, please provide the correct term, and I will be more than happy to assist you in finding suitable alternatives.