About: http://webisa.webdatacommons.org/50914006

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The composition of claim 7 wherein said linker has the formula: ##STR33## wherein, R1 is methyl;R3 is methoxy; R2 and R4 are hydrogen; X21 is --OH, --NH2, --OP, and --NHP, wherein P is a suitable protecting group; and q is 3. 9.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com