The fresh bulbs of Fritillaria camtschatcensis have yielded two phenolic glycosides, (25)–1 -0-/>-coumaroyl-3-0-β-D-glucopyranosylglycerol (regaloside A) and 3,6'-(?-diferuloylsucrose, and two steroidal alkaloids, solanidine 3-0-[a-L-rhamnopyranosyH 1-2)][β-D-glucopyranosyl(l -4)]-β-D-glucopyranoside and 2β,3a,6β-trihydroxy-5a-jervanin-12-ene (kuroyurinidine). Kuroyurinidine is the first example of the C-nor-D-homo steroidal alkaloid from F. camtschatcensis. © 1990, The Pharmaceutical Society of Japan. All rights reserved.