(S)(S)O(S)(S)(R)(S)(R)O(S)(R)HOOH(S)OHHHNO(S)NH(R)(R)HOClOHHNH(R)ONH(S)OOHHNHHONH2(R)ONH(R)(R)ONHCH3CH3HHOHHOClOOHOHOCH3NH2HOH3COHH3C.x HClOHO