Star formation rate as a function of the molecular content for our targets compared to normal galaxies and starbursts at comparable redshifts. The global SFR-M_mol diagram is shown at the left, and the surface densities of the same quantities, representing the unresolved Kennicutt-Schmidt relation (Kennicutt 1998), are shown at the right. The straight lines are power laws of slope 1. The full line corresponds to a depletion time of 1 Gyr, and the dashed line to 100 Myr. Symbols are the same as in Fig. 7; upper limits of our targets are shown in pink, and tentative detections as a blue hexagon inside the red one. The blue arrow points to the location of R1-1 (GRG-J2345−0449) in the respective plots.