WARHEADS					SMARTS
1,3‐Oxazin‐6‐one				O=[#6]1:[#8]:[#6]:[#7]:[#6]:[#6]1
1-Hydroxy-2,6-Dioxa-3-Oxophosphorinone	[O][P]1(=[O])[O][#6](=[O])[#6]=[#6][O]1
2‐Methylisoxazolium				[#6]-[#7+]1:[#6]:[#6]:[#6]:[#8]:1
3H‐1,3‐Oxazine‐2,6‐Dione			O=[#6]1:[#7]:[#6]:[#6]:[#6](=O):[#8]1
4-Halo-Alpha-Pyrone				[#8]=[#6]1:[#8]:[#6]:[#6]([F,Cl,Br,I]):[#6][#6]:1
Acetal						[#6][OX2][CX4][OX2][#6]
Acyloxymethyl Carbonyl				[*][CX3](=[O])[C][O][CX3](=[O])[*]
Acyl Phosphonate				[#6][CX3](=O)[P]([O])([O])=O
Alcohol					[CX4,c]-[OX2H1,OX1-]
Aldehyde					[#6][CX3H1](=[O])
Alkyl Halide					[CX4]-[F,Br,Cl,I]
Alkyne						[#6][C]#[C][#6]
Allyl Vinyl Ether				[c][c][O][#6][C]=[C]
Alpha-Cyanovinyl Carbonyl			[C]=[C]([C]#[N])-[C](=[O])[*]
Alpha-Cyclosulfate				O=S1(=O)[#8]-[#6]-[#6]-[#8]1
Alpha-Hydroxy Sulfonic Acid			[#6]([OH1])[S](=[O])(=[O])[O]
Alpha-Pyrone					[#8]=[#6]1:[#8]:[#6]:[#6]:[#6][#6]:1
Amide						[#6][CX3](=O)[N][#6]
Amidine					[*]-[N]-[C](=[N])-[CX4]
Amidosulfinic Acid				[*][N][S](=[O])[O]
Aminium Ion					[#6][NX4+,nX3+]
Amitrole					[#7][c]1[n][c][n][n]1
Arsenic Acid					[#6][As](=[O])([O])[O]
Arsine Oxide					[#6][As]=[O]
Aryl Halide					[c][F,Br,Cl,I]
Aryloxymethyl Carbonyl				[*][CX3](=[O])[#6]-[O][#6]
Aryl Sulfone					[#6][S](=[O])(=[O])[#6]
Azide						[#6][N]=[N+]=[N-]
Aziridine					[C;r3][N;r3][C;r3]
Beta-Lactam					[O-0X1]=[C]1[C][C][N]1
Beta-Lactone					[O-0X1]=[C]1[C][C][O]1
Beta-Sulfanylvinyl Carbonyl			[#6][S][C]=[C]-[CX3](=[O])[*]
Beta-Sulfonylvinyl Carbonyl			[#6][S](=O)(=O)[C]=[C]-[CX3](=[O])[*]
Beta-Sulfonylvinyl Nitrile			[#6][S](=O)(=O)[C]=[C]-[C]#[N]
Beta-Sultam					[O]=[S]1(=[O])[C][C][N]1
Borate						[*][O][B]([O])[O][*]
Boronic Acid					[#6]-[B]([O])[O]
Butadienyl Carbonyl				[C]=[C][C]=[C]-[CX3](=[O])[*]
Carbamate					[#6]-[N]-[CX3](=O)-[O]-[#6]
Carbamide					[#6][N,n][CX3](=O)[N,n][#6]
Carbodiimide					[#6][N]=[C]=[N][#6]
Carbonate					[#6][O][C](=O)[O][#6]
Carboxylic Acid				[#6]-[CX3](=O)-[OX2H1,OX1-]
Catechol					[O][c]1[c][c][c][c][c]1[O]
Cyanamide	         			[#6][NX3][C]#[N]
Diazo Compound					[#6][N]=[N][#6]
Diazomethyl Carbonyl				[*][CX3](=[O])[C]=[N+]=[N-]
Disulfanyl-Ester				[#6][SX2][SX2]-[CX3](=O)-[O][#6]
Disulfide					[#6][S][S][#6]
Enamine					[#6][C]=[C][#7]
Epoxide					[C;r3][O;r3][C;r3]
Ester						[#6][CX3](=[O])-[O]-[#6]
Furan						[#8]1:[#6]:[#6]:[#6]:[#6]1
Gamma-Lactam					[O-0X1]=[C]1[C][C][C][N]1
Gamma-Lactone					O=[#6]-1-[#6]-[#6]-[#6]-[#8]-1
Haloisocyanide					[#6][N+]#[C][F,Cl,I,Br]
Halomethyl Amidine				[*]-[N]-[C](=[N])-[CX4]-[F,Cl,Br,I]
Halomethyl Carbonyl				[*][CX3](=[O])[CX4]-[F,Cl,Br,I]
Hemiacetal					[OX2H][CX4][OX2][#6]
Hydrazide					[*][CX3](=[O])[#7]~[#7]
Imidazolidinone				[O]=[C]1[N][C][C][N]1
Imidoyl Halide     				[F,Cl,Br,I][#6]=[N]
Isoselenazolinone				[O]=[#6]1[#6][#6][Se][#7]1
Isothiazolinone				[O]=[#6]1[#6][#6][#16][#7]1
Isothiocyanate					[#6][N]=[C]=[S]
Isoxazolidin-3-one				[#8]=[#6]1-[#6]-[#6]-[#8]-[#7]-1
Ketone						[#6][CX3](=[O])[#6]
Mannich Base					[OH1][c][c][#6][N,n][#6]
Nitrile					[C,c]-[C,c]#[N,n]
Nitroarene					[c][N+](=[O])[O-]
O-Acyl Hydroxamic Acid				[*][C](=[O])[N,n][O][C](=[O])[*]
Phosphate					[*][O][P]([O])([O])=O
Phosphonate					[#6][P]([O])([O])=O
Phosphonohalogenate				[C,O][P]([F,Cl,Br,I])([O])=O
Phosphoramidocyanidate				[#6][N][P]([O])(=O)[C]#[N]
Phosphoramidohalogenate			[C,O][P]([N])([F,Cl,Br,I])=O
Phosphorothioate				[C,O][P]([S])([O])=O
Propargyl Carbonyl				[C]#[C]-[C](=[O])[*]
Purine						[#7]1:[#6]:[#7]:[#6]2:[#7]:[#6]:[#7]:[#6]:[#6]12
Pyrimidin-2-one				[n]1[c](=O)[n][c][c][c]1
Rhodanine					O=[#6]-1-[#6]-[#16]-[#6](=S)-[#7]-1
Selenic Acid					[#6]-[Se](=O)-[OX2H1,OX1-]
Sulfamate					[#6][O][S](=[O])(=[O])[#7]
Sulfonyl Halide				[#6][S](=O)(=O)[F,Cl,Br,I]
Thiirane					[C;r3][S;r3][C;r3]
Thiocarboxylic Acid				[#6]-[CX3](=S)-[OX2H1,OX1-]
Thiol						[CX4,c]-[SX2H1,SX1-]
Thioster					[#6][CX3](=O)[S][#6]
Thiosulfonate					[#6]-[S]-[S]([CX3])(=O)=O
Vinyl Carbonyl					[C]=[C]-[CX3](=[O])[*]
Vinyl Halide					[F,Cl,Br,I][C]=[C]
Vinyl Nitroalkane				[C]=[C]-[N+](=[O])([O-])
Vinyl Sulfonyl					[C]=[C]-[S](=[O])(=[O])[*]