Q is independently selected from {HEAD ~ an alkyl}, carbocylic, heterocyclic, halo, carbamoyl, sulfamoyl, carbonamido, sulfonamido, keto, sulfo, nitro, hydroxyl, carboxyl, {TAIL ~ amino}, alkoxy, alkoxycarbonyl, aryloxy, or arylthio group 
Q is independently selected from { HEAD ~ an alkyl } , carbocylic , heterocyclic , halo , carbamoyl , sulfamoyl , carbonamido , sulfonamido , keto , sulfo , nitro , hydroxyl , carboxyl , { TAIL ~ amino } , alkoxy , alkoxycarbonyl , aryloxy , or arylthio group
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD 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 TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH