The present invention is related to a compound according to formula (I),
wherein R
1
and R
2
are each and independently selected from the group comprising alkyl;
n is any integer between 1 and 4;
R
3
is an acyl selected from the group comprising lysyl, ornithyl, 2,4-diaminobutyryl, histidyl and an acyl moiety according to formula (II),
wherein m is any integer from 1 to 3 and
Y
−
is a pharmaceutically acceptable anion.