“…IR: (CHC1,) 3210, 3206 (211) See also 21, 36, 104a, 163, 173, 296. 'H-NMR: 360 (CDCIj) (42) See also 36,173,189,227,287,296. 13C-NMR: 22.6 MHz (CDC1,) (296) MS: 353 (M+, 65), 352 (30), 336 (30), 335 (100) (287) CD: (EtOH)Aenm-1.63298, -0.79284 (0, + 1.72242 (i), +27.8,09, negative at shorter wavelengths; (EtOH-1%" HC1) -1.62298, -1.27287 (i), +0.89253, +2.62227 (i) Stylophorum (158,218,219,224,244) The following contain data for chelidonine with no stereochemical designation: [an: -138°(c=0.5,C,H,N) (211) See also 239. 255. Sources:…”