[CH2CH(C6H5)]x[CH2CH[C6H4(CHCH2)]]y
(CH2CH[CO2CH2CH(C2H5)(CH2)3CH3])n
(CH2CH[O2C(CH2)16CH3])n
C284H432N84O79S7
C256H381N65O76S6
[C6H7O2(OH)3-m(OOCCH3)m], m = 0~3
[C6H10O3]n[Fe(OH)3]m