About: http://webisa.webdatacommons.org/140644810

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	A composition in accordance with claim 1, wherein L has the formula: ##STR31## wherein R1 is methyl;R2 and R4 are hydrogen; R3 is methoxy; X21 is --OH, --OP, --NH2, and --NHP, wherein P is a suitable protecting group; and q is3. 4.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com