a 1-O-alkyl-sn-glycero-3-phosphoethanolamine + a 1-O-alkyl-2-acyl-sn-glycero-3-phosphocholine <=> a 1-O-alkyl-2-acyl-sn-glycero-3-phosphoethanolamine + a 1-O-alkyl-sn-glycero-3-phosphocholine
a 1-o-alkyl-sn-glycero-3-phosphoethanolamine + a 1-o-alkyl-2-acyl-sn-glycero-3-phosphocholine <=> a 1-o-alkyl-2-acyl-sn-glycero-3-phosphoethanolamine + a 1-o-alkyl-sn-glycero-3-phosphocholine
a 1-O-alkyl-sn-glycero-3-phosphoethanolamine + a 1-O-alkyl-2-acyl-sn-glycero-3-phosphocholine <=> a 1-O-alkyl-2-acyl-sn-glycero-3-phosphoethanolamine + a 1-O-alkyl-sn-glycero-3-phosphocholine
a 1-o-alkyl-sn-glycero-3-phosphoethanolamine + a 1-o-alkyl-2-acyl-sn-glycero-3-phosphocholine <=> a 1-o-alkyl-2-acyl-sn-glycero-3-phosphoethanolamine + a 1-o-alkyl-sn-glycero-3-phosphocholine