000 00502nas a2200181 a 4500
001 000724696
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008 100329c 9999mou|r1||||||||0||||0eng|d
040 _aAM, AiYeEPHG
041 0 _aeng
210 0 _aBiochem. org. compd. res. diagn. reag.
245 0 0 _aBiochemicals, organic compounds for research, and diagnostic reagents.
260 _aSt. Louis, Mo. :
_bSigma Chemical Co.
300 _av.
310 _aAnnual
650 1 4 _aOrganische chemie
999 _c1099081
_d1099081
942 _cCR