RES
1r:r1
REP
REP1:5o(2+2)2d=-1--1
RES
2b:a-dgro-dgal-NON-2:6|1:a|2:keto|3:d
3s:methyl
4b:b-drib-PEN-1:4
5b:a-dgal-HEX-1:5
LIN
1:2o(5+1)3n
2:2o(9+1)4d
3:4o(2+1)5d