The solid-phase synthesis of polyglutamates of folic acid.

e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521

Structure	Name/CAS No.	Molecular Formula	Articles
	Formic acid,2-methylpropyl ester CAS:542-55-2	C₅H₁₀O₂

Organoleptic Characteristics of Flavor Materials Mosciano, G...
[Perfum. Flavor. 4th ed., 28 , 105, (2003)]