63906-66-1 8-Chloro-7-hydroxycaffeine nitrate Nitric acid, ester with 8-chloro-1,3-dimethyl-7-hydroxymethylxanthine Theophylline, 8-chloro-7-hydroxymethyl-, nitrate Theophylline, 8-chloro-7-hydroxymethyl-, nitrate (ester) Xanthine, 8-chloro-1,3-dimethyl-7-hydroxymethyl-, nitrate (ester)