they include four aliphatic esters from one to eight carbon chains in length ( chlorambucil-methyl , -propyl , -hexyl , and -octyl esters ) and three aromatic esters , including the phenylmethyl , phenylethyl and prednisolone ester of chlorambucil , prednimustine .
C0008163
chlorambucil
C0032949
prednimustine