Seven-Membered Ring System Containing Only Carbon and One Phosphorus Atom, Two Nitrogen Atoms, and Two Sulfur Atoms
1983 ◽
Vol 241
(3)
◽
pp. 281-287
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1980 ◽
Vol 35
(9)
◽
pp. 1130-1136
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1988 ◽
Vol 43
(8)
◽
pp. 959-962
◽
1992 ◽
Vol 47
(2)
◽
pp. 171-174
◽
2002 ◽
Vol 43
(27)
◽
pp. 4861-4864
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