RES 1r:r1 REP REP1:4o(4+1)2n=-1--1 RES 2s:phosphate 3b:o-xgro-TRI-0:0|1:aldi 4b:a-dgal-HEX-1:5 LIN 1:2n(1+1)3o 2:3o(2+1)4d