The apparatus and method are useful, whether as {HEAD ~ part} of {TAIL ~ an automated, robotic or manual system} for combinatorial organic synthesis or purification  
of
The apparatus and method are useful , whether as { HEAD ~ part } of { TAIL ~ an automated , robotic or manual system } for combinatorial organic synthesis or purification
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH