LEADER 00700nam2 22002171i 450 001 990002295210403321 035 $a000229521 035 $aFED01000229521 035 $a(Aleph)000229521FED01 035 $a000229521 100 $a20030801d--------km-y0itay50------ba 200 1 $aThree-membered rings with two heteroatomsand fused-ring derivatives. Oxford, 1984,v. 7.5, p. 195-236. 463 0$1001000222363 701 1$aSchmitz,$bE.$095699 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990002295210403321 959 $aFFABC 996 $aThree-membered rings with two heteroatomsand fused-ring derivatives. Oxford, 1984,v. 7.5, p. 195-236$9387010 997 $aUNINA DB $aING01