String connected by a '_' between "Research ID", "Round", "C", "Group no" of "Control no" data, "Intra no" of "Control no" data, "T", "Group no" of "Target no" data, and "Intra no" of "Target no" data.
Research ID
Research ID (Subject number)
Round
Round
Combination ID
ID of the sample combination
Control no
Control data, correspondence to column of "Sample no" on the red_sample table.
Target no
Target data, correspondence to column of "Sample no" on the red_sample table.