[!$([#6,F,Cl,Br,I,o,s,nX3,#7v5,#15v5,#16v4,#16v6,*+1,*+2,*+3])] [!$([#6,H0,-,-2,-3])] [*;a] [!H0;F,Cl,Br,I,N+,$([OH]-*=[!#6]),+] [CX3](=O)[OX2H1] [OX2H] [NX3;H2,H1;!$(NC=O)]