1 0SM Trimethyl-[2-[[(2s,3s)-2-(octadecanoylamino)-3-oxidanyl-butoxy]-oxidanyl-phosphoryl]oxyethyl]azanium 1.000 2 WU7 (4s,7s,17z)-4-hydroxy-7-[(1s,2e)-1-hydroxyhexadec-2-en-1-yl]-N,N,N-trimethyl-4,9-dioxo-3,5-dioxa-8-aza-4lambda~5~-phosphahexacos-17-en-1-aminium 0.720