Figure 4.
(a) The broad scan negative-ion spectrum of the aqueous reaction mixture from which [1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]carbamate was sampled using ESI-MS; (b) low energy negative-ion CID spectrum of [1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]carbamate