Bis[2-[N-(2-hydroxypropyl)-N-(3-octenoylaminomethyl)amino]propionic acid]calcium salt C??? ??, ??, ??

Bis[2-[N-(2-hydroxypropyl)-N-(3-octenoylaminomethyl)amino]propionic acid]calcium salt ?? ?? ? ???

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Bis[2-[N-(2-hydroxypropyl)-N-(3-octenoylaminomethyl)amino]propionic acid]calcium salt ?? ??