Number | Date | Country | Kind |
---|---|---|---|
948/91 | Mar 1991 | CHX | |
512/92 | Feb 1992 | CHX |
This is a continuation of U.S. application Ser. No. 07/949,853, filed Nov. 19, 1992 now abandoned.
Number | Date | Country |
---|---|---|
0199323 | Oct 1986 | EPX |
0349418 | Jan 1990 | EPX |
Entry |
---|
CA94(5):29684c Mass spectral . . . -5-ones. Keats et al., p. 481, 1981. |
CA108(13):111758w Primary ethynamines . . . interest. Wentrup et al., p. 563, 1988. |
CA114(22):220058n Synthesis . . . derivatives. El-Essawi et al., p. 895, 1991. |
A. Maquestiau et al., J. Heterocycl. Chem. 12 (1), 1975, 27. |
CA 114(22): 220058n Synthesis . . . derivatives. El-Essawi et al., p. 189, 1991. |
Number | Date | Country | |
---|---|---|---|
Parent | 949853 | Nov 1992 |