R 3 R 2 + Mo sCG2 GG2+sC3G+sC3G2+sC3sCa Ca R2 1+ C+ R sCCa 1 RC; RR.C.Ca1 4 2 4 1 2 3 4 2 2 3 3 4 2 23 13 1 2 24 1 2 3 1 3 2 3 4 4 2 1 ] 1 1 [ 1 [ ] 1 R C R C R R C C s s R C s s C C RC RC s R R RC s G G sC G sC G sC sC sC G T                u i u o   1 3 2 C 3 C4 R1 4 R 2