// Keep old ID
int oldID = oldRow.getID();
SimplePeakListRow newRow = new SimplePeakListRow(oldID);
PeakUtils.copyPeakListRowProperties(oldRow, newRow);
newRow.addPeak(dataFile, newPeak);
deisotopedPeakList.addRow(newRow);
// Remove all peaks already assigned to isotope pattern
for (int i = 0; i < sortedPeaks.length; i++) {
if (bestFitPeaks.contains(sortedPeaks[i]))