Typical groups Sp′ are, for example, —p—, —q—CH2CH2—, —CH2CH2—S—CH2CH2— or —CH2CH2—NH—CH2CH2— or —p—, with p being an integer from 2 to 12, q being an integer from 1 to 3 and {HEAD ~ R0} and R00 having {TAIL ~ the meanings} given above 
having
Typical groups Sp′ are , for example , — p — , — q — CH2CH2 — , — CH2CH2 — S — CH2CH2 — or — CH2CH2 — NH — CH2CH2 — or — p — , with p being an integer from 2 to 12 , q being an integer from 1 to 3 and { HEAD ~ R0 } and R00 having { TAIL ~ the meanings } given above
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH