RES
1r:r1
REP
REP1:3o(2+1)2d=-1--1
RES
2b:b-dgal-HEX-1:5|6:d
3b:b-dglc-HEX-1:5
4s:amino
LIN
1:2o(2+1)3d
2:2d(3+1)4n