1-Propanaminium, N,N,N-trimethyl-2,3-bis(9-octadecenyloxy)-, chloride, (Z,Z)-, mixt. with (Z,Z)-1-[[[(2-aminoethoxy)hydroxyphosphinyl]oxy]methyl]-1,2-ethanediyl di-9-octadecenoate 1-Propanaminium, N,N,N-trimethyl-2,3-bis[(9Z)-9-octadecen-1-yloxy]-, chloride, mixt. with 1-[[[(2-aminoethoxy)hydroxyphosphinyl]oxy]methyl]-1,2-ethanediyl di-(9Z)-9-octadecenoate 1-Propanaminium, N,N,N-trimethyl-2,3-bis[(9Z)-9-octadecenyloxy]-, chloride, mixt. with 1-[[[(2-aminoethoxy)hydroxyphosphinyl]oxy]methyl]-1,2-ethanediyl di-(9Z)-9-octadecenoate 9-Octadecenoic acid (9Z)-, 1-[[[(2-aminoethoxy)hydroxyphosphinyl]oxy]methyl]-1,2-ethanediyl ester, mixt. contg. 9-Octadecenoic acid (Z)-, 1-[[[(2-aminoethoxy)hydroxyphosphinyl]oxy]methyl]-1,2-ethanediyl ester, mixt. contg. Lipofectin