Table 7: Velocity-integrated intensitiesa.

Galaxy		 I(CO) 1-0 I(CO) 2-1 I(CN) 1-0 I(CN) 2-1 I(HCN) 1-0b I(HCN) 3-2 I(HNC) 1-0 I(HNC) 3-2
NGC 3079 205.8 $\pm$ 20.6 375.4 $\pm$ 37.6 2.7 $\pm$ 0.4 4.5 $\pm$ 0.7 5.7 $\pm$ 0.8 8.0 $\pm$ 1.4 2.9 $\pm$ 0.5 5.0 $\pm$ 1.9
NGC 1068 113.7 $\pm$ 11.4 203.6 $\pm$ 20.5 9.4 $\pm$ 1.0 6.1 $\pm$ 0.7 10.0 $\pm$ 1.7 22.7 $\pm$ 2.5 3.2 $\pm$ 0.5 3.5 $\pm$ 0.6
NGC 2623 30.2 $\pm$ 3.2c - $\la$1.3c - - $\la$0.5 0.9 $\pm$ 0.3c 1.8 $\pm$ 0.4
NGC 1365 122.3 $\pm$ 12.3 181.0 $\pm$ 18.1d 5.9 $\pm$ 0.7 7.5 $\pm$ 0.9 6.0 $\pm$ 0.1 15.0 $\pm$ 2.0 4.7 $\pm$ 0.6  
NGC 7469 25.6 $\pm$ 3.8$^{~\rm e}$ 61.5 $\pm$ 6.4 1.8 $\pm$ 0.3$^{~\rm c}$ - 1.5 $\pm$ 0.3 - 1.1 $\pm$ 0.2$^{~\rm c}$ $\la$0.8
a
The values refer to the main-beam brightness temperature, $I_{\rm mb}$, in [K  ${\rm km~s}^{-1}$]. The errors and upper limits correspond to $1\sigma$ (defined by the rms in the spectra) and added in quadrature to the 10% of error considered for the main beam efficiencies, $\eta_{\rm mb}$, reported in Table 2 and by the Onsala Space Observatory (OSO).
b
HCN 1-0 integrated intensities reported by Curran et al. (2000) corrected for a main-beam efficiency of 0.65, according to the on-line values reported by OSO. Our own data are reported for NGC 3079.
c
Integrated intensities reported by Aalto et al. (2002). The values were rounded to one decimal figure and corrected by the main beam efficiencies reported by OSO, 0.64, 0.45 and 0.43, of the J=1-0 transition of HNC, CN and CO, respectively.
d
CO 2-1 integrated intensity obtained by Sandqvist et al. (1995). A 10% of error was assumed for the reported intensity.
e
CO 1-0 integrated intensity derived from Curran et al. (2000) considering a main beam efficiency of 0.43 according to the values reported by OSO.


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