Diphosphate

2 ATP + S-Adenosyl-L-methionine + Anthranilate + L-Phenylalanine ⇄ Cyclopeptine + 2 AMP + 2 Diphosphate + S-Adenosyl-L-homocysteine (6.3.2.40)
S-Adenosyl-L-methionine: amet_c, ATP: atp_c, Anthranilate: anth_c, L-Phenylalanine: phe__L_c