{HEAD ~ A composition} 1, wherein {TAIL ~ component B} has a pore volume greater than 2 cm3 /g 
wherein
{ HEAD ~ A composition } 1 , wherein { TAIL ~ component B } has a pore volume greater than 2 cm3 /g
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH