RES
1r:r1
REP
REP1:3o(3+2)2d=-1--1
RES
2b:b-dman-OCT-2:6|1:a|2:keto|3:d
3b:b-drib-PEN-1:4
4s:acetyl
LIN
1:2o(7+1)3d
2:3o(5+1)4n