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system
Provide the molecular formula for the IUPAC named substance 2-diphenylphosphoryl-N-[11,17,23-tris[(2-diphenylphosphorylacetyl)amino]-25,26,27,28-tetraoctadecoxy-5-pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaenyl]acetamide .
user
C156H216N4O12P4
assistant