prov:value
| - The foregoing phthalocyanine-type pigment includes those having the formula: (C8 H4 N2)4 Rn, wherein R is H, D, Na, K, Cu, Ag, Be, Mg, Ca, Zn, Cd, Ba, Hg, Al, Ga, Ir, La, Nd, Sm, Eu, Gd, Dy, Ho, Er, Th, Tm, Yb, Lu, Ti, Sn, Hf, Pb, V, Sb, Cr, Mo, U, Mn, Fe, Co, Ni, Rh, Pd, Os or Pt; and n is an integer of up to 2.
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