Table 4: Initial conditions based mainly on a grain-surface chemistry model with an accreting D/H ratio of 0.3.

Species	Abundance	Isotopomer	Fractionation
	( relative to H)
H2O	1.0(-5)	HDO	0.33
		D2O	0.03
H2CO	2.0(-8)	HDCO	0.28
		D2CO	0.02
CH3OH	1.0(-7)	CH3OD	0.18
		CH2DOH	0.64
		CH2DOD	0.11
		CHD2OH	0.14
		CHD2OD	0.03
		CD3OH	0.012
		CD3OD	0.0023
H2S	1.0(-10)	HDS	0.33
		D2S	0.03