Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

NOTICE: Due to scheduled maintenance at our Gaithersburg campus, this site will not be available from 5:00 pm EDT (21:00 UTC) on Friday October 25 until 5:00 pm (21:00 UTC) on Sunday October 27. We apologize for any inconvenience this outage may cause.

No Species Found

No species in the database contian data from the requested reference: Sheehan, M.; Haythorn, P., Rapid Gas Chromatographic Determination of Underivatized Theophylline in Whole Blood, J. Chromatogr., 1976, 117, 2, 393-398, https://doi.org/10.1016/0021-9673(76)80016-7 .