如何根据分子式确定有无不饱和键

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select * from tbl_Articles WHERE ArticleID=2622348 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2622348 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2622348 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1074204,1529056,1100430,1131669,1098211,1043575,1110027,1068264,1093342,1126620,1071821,1066422,1116047,1111524,261015,1123739,1123767,1133213,1304882,1065391,1093240,1096739,1117850,1079307,1083946,1080235,1122956,1108365,1129255,1297654) ORDER BY field (ArticleID,1074204,1529056,1100430,1131669,1098211,1043575,1110027,1068264,1093342,1126620,1071821,1066422,1116047,1111524,261015,1123739,1123767,1133213,1304882,1065391,1093240,1096739,1117850,1079307,1083946,1080235,1122956,1108365,1129255,1297654)