private void validateMassBankRecord(MassBankRecord massBankRecord) {
		if (massBankRecord != null) {
		if (massBankRecord.getPkPeak() != null && massBankRecord.getPkPeak().getPeakMap() != null) {
			for (Map<String, String> map : massBankRecord.getPkPeak().getPeakMap()) {
				if (map.keySet().size() > 3) {
					LOGGER.error("invalid peak data : " + massBankRecord.getId());
				}
			}
		} else {
			LOGGER.error("no peak data : " + massBankRecord.getId());
		}
		}
	}