A prodrug comprises a polyhydroxylated polyamine to which a drug is linked by {TAIL ~ the intermediary} of {HEAD ~ a peptidyl group} 
A prodrug comprises a polyhydroxylated polyamine to which a drug is linked by { TAIL ~ the intermediary } of { HEAD ~ a peptidyl group }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD